even caught the attention of famed producer dr. luke. >> yo, what's up, i'm dr. luke.d up, dr. luke, the man known for number one hits wanted to meet me. what? >> reporter: dr. luke's number one hits are inescapable. he's behind songs like "roar" by katy perry and "timber" by kesha. >> he's heard some of the songs i've recorded and written, in ten minutes he offered me a deal. >> reporter: becky says her relationship with the producer and record label is like a second family. she also credits them for helping her reach the top 20 on the billboard top 100 with her single "shower." ♪ i'm dancing in the mirror and singing in the shower ♪ >> reporter: they set her up for maximum exposure with hot collaborations from will.i.am to mr. worldwide himself, pitbull, on "can't get enough." ♪ >> reporter: uniquely positioned to appeal to a wider fan base thanks to her latin flair. on tour she's opening for the biggest names in music. >> i was on tour with katy perry -- >> name dropper. >> i know, right? you've got to say it, you know, i'm proud. >> reporter: and oh, yeah, she's al

and caught the attention of famed producer dr. luke. >> and i was like, yo, what's up. i'm dr. . >> and i'm like, hold on, dr. luke, the man known for number one hits wanted to meet me. what? >> they are inescapable. he is behind songs like "roar" katy perry and "timber" by kesha. >> i'm like n ten minutes, he offered me a deal. >> becky says the relationship with the producer and the record label is like a second family. and they hemmed her on the billboard hot 100 with a single "shower" ♪ dancing ins the mirror and singing in the shower ♪ >> and collaborations from pit bull on "can't get enough." she is positioned to appeal to a wider fan base on and tour, she is opening for the biggest names in music. >> i was on turn with katy perry. i got say it! i'm proud. >> oh, yeah, she is also the new face of cover girl cosmetics. >> i'm becky g, easy, breezy, cover girl. >> and all it comes with sacrifices. >> i will never know what a home coming is like and getting in trouble with the teachers. i don't regret making the decision that i made. >> we caught up with becky on set for the

i represent kesha, who is alleging that dr. luke did the almost identical thing to her.k that there is generally a underground for this kind of the date rape drug is what it's called or the ghb. that's generally not going to be dispensed by a pharmacist. so if you're dealing in that kind of activity, you're probably not getting it -- >> 20 years ago, 30 years ago, the availability was still there? >> the availability was still there. it started to make a -- its presence known about the time that quaaludes were popular. and one of the people who have come out and made the accusation, in fact, has said that one of the things he gave was a quaalude, which was popular 20, 30 years ago. >> something else surprises me about the way this case is developing. i would have thought that by now someone would have come out to glom on to this, who really had no basis making charges against -- you know that multiple people said i'm the one who stole the lindberg baby. there hasn't been that kind of a nut factor. if there were, i assume his defense lawyer would be saying, well, listen t

and dr. luke shoes on. >> reporter: i look more upright? don't i? >> i agree with that. >> reporter: and the hoka ones, forced me to strike on the heel in mid-foot. for me, that's not natural. >> this is where effects of footwear can change impact forces and mechanics. >> reporter: and the ultra drops. they look extra big and rounded in the front and have a relatively low heel, but they feel natural to me. >> you're landing right on the front half of your foot. this is kind of your natural running form. >> reporter: and that's the point. running shoes are really personalized these days. any one of these shoes may be great for you. how do you decide? >> a lot of the running specialty stores is a great place to start. talking to other people. trial and error. you probably have to try them out. run in them, make sure they're comfortable. >> reporter: for "good morning america," becky worley, abc news, san francisco. >> all right, check in with robin now. >>> all right, lara, and everybody. next up on

luke carter needed knee replacement. after searching for 40 hours he found one hospital that wanted a $26,000 deposit. >> wasn't another facility that would call me back and give me a price. >> reporter: drh charged less than $8,000 for both knees. a hospital told linda, removing her gallbladder would cost $22,000. >> this was a fifth of the cost. >> reporter: the founder of the clinic joins us now. you must cut corners to be so much cheaper. >> i always like to hear that, because the prices you see on our website of what it costs to take care of patients. that's one of the big lies we've all been told and many believe is that health care is very expensive, when it really doesn't cost that much. john: how can you do knee replacements for two knees for $7,000 when the hospital is charging 50,000 bucks. >> they've got to come up with the money for the extracurricular activities somewhere. >> and the paperwork, and massaging the government, and they pay their people more? do you have a higher infection rate? >> we have almost nonexistent infection rate we publish online. high prices indicate lack of competition, low prices indicate the healthy competition. john: when you first opened, you w