mismatched underwear? pinkish and baby blue? a girl and a invoic know.for "lemonade." ♪ let's be in formation >> reporter: headlining coachella in april. due date maybe mid-august? i'm nick watt speculating wildly for "nightline" in los angeles. >> it was the late princess diana who put it simply -- family is the most important thing. feng nor watching abc news. as always wore loon line on the abcnews.com and our "nightline" facebook page. >> as you may know, when i'm not hosting "millionaire," i host "the bachelor" and "the bachelorette," and i am thrilled that some of the great people i've met on those shows are here today playing for charity. that's right. it's "bachelor" fan favorites week on "who wants to be a millionaire." [cheers and applause] [dramatic music] ♪ welcome to "bachelor" fan favorites week on "who wants to be a millionaire." today's bachelor fan favorite is a wine maker and the bachelor from season 16. let's see what he's up to now. from san francisco, california, please welcome ben flajnik. [cheers and applause] what's up, brother? >