There are, by now, many stars whose names are synonymous with reality TV: the Kar-Jenner clan, Paris Hilton and Nicole Richie, anyone who has ever appeared on Bravo's Real Housewives franchise. But there are more reality alums hiding out in Hollywood than some may realize. Like, for example, did you know Jon Hamm was once a contestant on a '90s dating show? Or that one of the first televised records of Kesha came via an episode of The Simple Life?

For some celebs, their reality stints helped lay the groundwork for fruitful careers, while for others, it was merely a bump on the road toward mega-stardom. Below, see 15 famous people you who you may not know got their start on reality TV.

Stars Who Got Their Start on Reality TV

Additional reporting by Maggie Malach.