'DWTS' Celebrities Before They Were Stars

See a 5-year old Corbin Bleu, teenaged Jack Osbourne long before they appeared in the ballroom.
3:00 | 11/19/13

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Transcript for 'DWTS' Celebrities Before They Were Stars
Before he was a dancing and High School Musical star five -- -- Corbin Bleu modeled on GMA. Smart and that -- ranger and an accurate report. Because that's what we didn't taste testing with Regis and Kathie Lee. You'd likely think this is who do you -- who. I remember this your basis. You -- so completely uncomfortably like what was a -- -- -- -- -- Long before the ballroom a teenage Jack Osbourne appeared on his family's famous reality show. And today it's -- from dancing -- I think it's not about like fourteen pounds now that -- -- -- After high school graduation amber Riley was typical job hunting team yeah. I did have a eyewitness Nike is the TV's smash please. Later start playing a high school student. Yeah I look at. And the EE. The older I get -- -- -- like you to do that I wanna do billing vault is recognized first comedy but would you recognize him from the eighties when he appeared with other up and coming comics on GMA. When they're clapping and their movement hollers of Sampras and many other Khalilzad -- -- in your way. And I wrote this. Before -- billing -- a college years Jim -- On island mood. What's good well sometimes it's a matter of taste just ask Corbett one -- happening and. He wanted to -- For Good Morning America dot com on Yahoo! Cameron mathison ABC news Los Angeles.

This transcript has been automatically generated and may not be 100% accurate.

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