♪ i guess that's my church ♪ ♪ this is "nightline." >> tonight, trump celebrations already under way, controversy still surrounding one star performer for tomorrow's inauguration. jackie evanko, the once 10-year-old prodigy on america's got talent, now taking the biggest stage of her career and facing partisan backlash. >> i'm a 16-year-old and i don't involve myself in politics. >> standing up for what she believes in, and standing beside her transgender sister. kicking off the historical night on a high note. plus, first daughter. we'll with one woman who will always have the president's ear. >> i'm his daughter, so i give him my feedback, solicited or

otherwise. >> people are saying you're essentially going to be the first lady. >> and her message to women across the country. >> i say, give my father a chance. and inauguration confidential -- from lip syncing beyonce, a look at the famous goofs and gaffes that have stolen the show from past presidents. >> that i'll execute -- >> in their first moments in office. but first the "nightline" 5.

number one in just 60 seconds.

♪ good evening and thank you for joining us. we're in washington, d.c. where in just hours the 45th president of the united states, donald j. trump will be sworn into office. and a talented young singer will kick off the event. jackie evanko has been getting flack for agreeing to sing the national anthem. what should have been pure joy has become a battle of career, her country and her family. here's juju chang. ♪ there will be never be >> reporter: just listen to a few notes. ♪ ♪ >> reporter: and you'll realize why jackie evanko has been called the girl with the voice

of an angel. ♪ ♪ >> reporter: but in a matter of hours, she'll step onto the biggest stage of her career, singing the national anthem at donald trump's inauguration. >> she's 10 years old, with a timeless voice. >> reporter: jackie was discovered on "america's got talent." at just 16, the classical singer has traveled the world, singing for heads of state. the pope, an emperor, even the obamas, twice. >> i've done it before, and now it's become a new goal of mine to perform for as many presidents as possible. >> reporter: but when she offered to sing at the inauguration, it triggered an onslaught of criticism. >> so you do all your recording in here, right? >> yeah.

>> jimmy: we met her in her pittsburgh music studio, where she told us she's not naive about some of the hate she's getting online. >> what's the most painful stuff that you see on social media with you? >> reading about my own hate really doesn't bother me. it's reading about my family's hate that really gets to me. ♪ ♪ >> reporter: those critics calling her decision to perform career suicide. especially after so many artists have said no. actress and singer jennifer holiday recently backed out after backlash from furious fans, telling "the view" -- >> the gay community through "the daily beast" was able to say it's not just we want to be married, there are other things going on you're not aware of. i'm like, okay, thank you, i'll pull out. >> there are a lot of artists who won't for political reasons. >> i pay no attention to it, because i'm a 16-year-old and i don't involve myself in politics. it's not a political thing for

me. >> reporter: they assume she's a trump supporter. something she won't discuss. but part of the criticism stems from the trump team's gay rights record. which may put jackie at odds with her own transgender sister. born jacob. juliette evanko is also an aspiring artist. >> right now, i'm already receiving backlash from both sides of what my sister has decided to do. >> jimmy: it . >> reporter: it's tough? >> jackie is singing for the inauguration, and i'm really proud of her with it. >> reporter: her sister gave us a tour of jackie's career highlights in their pittsburgh

home. juliette hopes to one day model. >> it's italian "vogue." that's extraordinary. >> reporter: this fall, she made the homecoming court at pine richland, the same high school as her sister, who say sophomore. >> you guys are competitive about everything you do, right? >> oh, yes. everything has been a competition since we were little. i actually wanted to be a singer before jackie did. >> reporter: is that right? >> yeah. so that little bit of competition has created all of this. >> reporter: sibling rivalry for sure, but juliette says they've always been devoted sisters, even when she was known as jacob. >> when i would play make-believe games with my sister, i was always a girl. >> reporter: you and jackie played barbies together? >> yeah. although there was a problem one time when jackie cut off my aerial barbie doll's hair. >> reporter: hair cuts figure prominently in your trauma as a child? >> yes. >> reporter: it happened

backstage just before a ten 13-year-old jacob was about to step out to sing a duet, "i see the light," with his sister jackie. >> i was growing out my hair at the time -- >> reporter: to make you feel more feminine? >> yes. >> reporter: but the producer of the movie had a problem. ♪ ♪ >> they're like, your hair looks all shaggy. and they're like, we're going to cut it off. >> reporter: because on the outside, you looked very much the proper boy? >> yeah. on the inside, it was kinda killing me, because i wasn't a boy. >> reporter: it would be years for juliette summoned the courage to come out publicly as tran at age 17, thanks to the support of her family. >> juliette was always juliette. it was me saying, oh, it's a phase. and now, i realize that that was not the case.

♪ ♪ >> reporter: jackie even made a music video in tribute to their life-long sisterhood, to the ed sheeran song "all the stars." >> we kind of want it to represent us and for kind of everyone out there who is going through the same thing, and in honor of my sister. >> they're acting like we're these monsters. >> reporter: and her bravely as a transgender advocate, joining forces with lambda legal, filing a lawsuit in pittsburgh, after they voted to ban transgender students from using the bathrooms that they identify with. >> it invited even more discrimination, and i was called some pretty awful things. >> reporter: to your face or online or both? >> um, people would admissibmums they passed me. i remember last year, trash was thrown at me. >> reporter: it's the type of anti-lgbtq law that mike pence, the next vice president of the united states supported when he

was governor of indiana. why is this a big deal? >> being able to walk into a women's rest room without thinking about it is kind of empowering in a sense. because we get to be us in the most mundane ways. >> reporter: you are just as involved in juliette's life as you are in jackie's? >> absolutely. i mean, they're our kids. and whatever happens, if we feel it's wrong, we do what we can to help. >> reporter: but during one of the most momentous weeks for both of their two daughters, this tight-knit family will not be together? >> normally we'd go out and support jackie, but this is a big moment for juliette, and i don't know if you want me to talk about that or not. >> it's gonna be out there eventually. >> we're just going to have her srs procedures done, sex

reassignment surgery. >> reporter: a major milestone. so while mom's accompanying juliette for the biggest transformation of her life, dad and their two younger kids will be in d.c., cheering for jackie. >> ever since she first came out, i've always been really excited for this day for her. so i guess we both just wish we could be there for each other. it's unfortunate that it's at the same time, but we're there in spirit. >> reporter: you're getting teary-eyed? >> yeah. >> reporter: why? >> because i love her. she's my sister. and i'm happy. >> jimm >> reporter: you're happy for her? >> yeah. >> reporter: their sisterly bond, unbreakable. >> she's a beautiful singer, she's a beautiful human being, and that's the way i look at it. >> reporter: for "nightline," i'm juju chang in pittsburgh, pennsylvania. next, they say it's not easy being green, but the soon to be first daughter is taking it all in stride. what ivanka trump says her role

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♪ in her speech at the republican national convention, ivanka trump promised american women she would fight alongside her father in washington for labor laws that would ensure equal pay for equal work and access to affordable childcare for working mothers. we spoke with her on the precipice of her new life in washington, about how she plans to make her mark as first daughter. >> reporter: you could say that ivanka trump's life has prepared her to become a first daughter.

more diamond than denim, with the beauty to work as a model and the brains to earn know economic degree from wharton. she's clearly the apple of her father's eye. >> reporter: who is his favorite? >> i'm going with ivanka. [ laughter ] >> reporter: this week, 35-year-old ivanka is in a whirlwind. days before inauguration, she invited me and our abc news cameras, to her offices in trump tower on fifth avenue, now an armed fortress. >> welcome. >> reporter: thank you. so this is brand-new? >> brand-new. we just moved into this one. >> reporter: it's likely to be one of her last visits for a while. in true trump fashion, she's firing herself. stepping away from the trump organization and her own apparel and accessories business. ♪ happy birthday >> reporter: she and husband jared kushner, along with their three young children are moving into a $5.5 million home in one

of washington's most exclusive neighborhoods, just around the corner from the obamas' new digs. what are you saying about grandpa's new job? >> i tell them that their grandfather is going to washington, d.c. with the goal of helping as many people as he possibly can. >> grab an apple. >> reporter: she's known to share private family moments on social media, the nurturing side of washington's newest power couple. >> you like that. >> reporter: after her father's announcement in june 2015, ivanka became a tireless booster for her billionaire dad. a regular on the campaign trail. that tight dad-daughter bond, coupled with news that trump's wife melania and son barron, won't move to washington right away has fueled speculation about ivanka's role. people are saying that you're essentially going to be the first lady. >> there's one first lady, and melania will be an unbelievable first lady. she's a remarkable person.

>> jimmy: wi >> reporter: will you have a office in the first wing? >> today my focus is really just moving to washington, traveling around the country, and listening. >> reporter: she says she's still figuring out her role, but it's clear jared, her husband of seven years, will be a key player. like his wife, jared knows a life of privilege. a harvard grad, he too comes from a family who made a fortune in real estate. >> a lot of people don't know your husband. give us a sense of who he is. >> he's a remarkable human being. he's kind and thoughtful, and he's an unbelievable father. >> reporter: kushner, named as senior white house adviser is about to become one of the most powerful men in the west wing. when meeting ivanka, there's no denying her diplomatic skills. despite the ice cold tension between her dad and hillary clinton, when they wouldn't even shake hands during the second debate -- ivanka and chelsea clinton had a warmer moment.

>> she's a very good friend of mine. she's been a friend of mine long before the campaign. >> reporter: are you still friends? >> of course. i haven't spoken about the specific challenges about this next chapter with her just yet, but i intend to. >> reporter: details matter to ivanka trump. she's even writing a new book -- women who work -- as a guy to help women achieve success. book proceeds will go to charities for women. critics are quick to point out the irony. >> reporter: you know there's going to be a march with a lot of women who feel that your dad is going to turn back the clock. what do you say to them? >> i say, give my father a chance. i think what he's shown his entire life is his support and advocacy of women. >> reporter: her father also ignites controversy with his shoot from the lip tweeting. your dad has become known for relentless tweeting. do you ever say to him, knock it off, let it go? >> sure. [ laughter ] >> reporter: you do? >> sure.

>> reporter: does he listen to you? >> depends on the day. >> reporter: we're in a divided nation right now. does it trouble you that there are a lot of people who are fearful of your dad's presidency? >> for every critic, i would say give him time. let him come into office. let him prove you wrong. >> reporter: your dad's speech will probably be more important than any one he's ever given. do you have a sense of what he's going to say? >> just like his speech on election night, it will focus on unity, on optimism, and on the future. >> reporter: ivanka trump's life is about to change dramatically, but she says, not completely. friday after he's sworn in, is he dad, is he mr. president, what are you going to call him? >> he's always dad. >> reporter: for "nightline," i'm deborah roberts in new york. and next -- ♪ ♪ who's broad stripes and bright

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♪ and finally tonight, this inauguration day, abc's chris connelly says, expect the unexpected. ♪ ♪ >> reporter: inauguration day, the pomp, the circumstance, those brutal d.c. winters. remember 2009 and turning up sarah palin and the dalai lama? the chief justice botching the oath. >> that i would execute the office of president to the united states faithfully. >> that i will execute -- >> faithfully the office of president of the united states faithfully. >> making everyone else want to swear. leading to an off-camera do-over in the white house map room. and what about her royal highness? ♪ ♪ who's broad stripes and bright

stars ♪ >> reporter: was bee singing live, or was she like -- ♪ ♪ >> you can see, she takes a breath, and it's just a little off from the pre-record. >> why would she sing full out into a microphone as well if she was going with the prerecord? >> so she looked like she was performing. >> reporter: at lincoln's second inaugural, a man reportedly drunk. and then smoke from a short in the podium before this moment. >> ask not what your country can do for you, ask what you can do for your country. >> reporter: gerald ford after taking the oath following the resignation of president richard nixon, served up a memorable line of his own. >> our long national nightmare is over. >> reporter: one historian has advice for the new president on

a cold inaugural day. >> don't make people shiver. give a good speech, but get it done quickly. >> reporter: for "nightline," i'm chris connelly. >> it was abraham lincoln who said at his inauguration in 1865, with malice toward none, with charity for all, let us drive on to finish the work we are in to bind up the nation's wounds. thank you for watching abc news and as always we're online at abc news.com and our "nightline" facebook page. thanks for t