Failed pop stars
Failed pop stars. "American Idol" reject Pia Toscano is in talks to release a new album after being booted from the talent show. Her foray into pop stardom will probably fare better than these non-musical celebs, who couldn't resist attempting a pop career -- often to ear-splitting effect.
Socialite daughter of a fallen football star's celebrity lawyer
Ex-husband and father to the children of a legitimate pop superstar.
Plastic surgery fan and wife of Spencer Pratt.
Former child star struggling through mug shots and rehab to build adult career
Once-chubby daughter of famous rocker transitions into svelte style icon
Oscar De La Hoya
Boxer who scored an Olympic gold medal and a lucrative career
Blond and brassy reality-TV personality, currently with child
Former Sports Illustrated swimsuit model and former talk show host
Actress who played pivotal character on TV's "Heroes"
Versatile athlete who played in the NFL and another pro sport
Jennifer Love Hewitt
Starred on TV's "Party of Five" and "Ghost Whisperer"
Member of "The Real Housewives of New Jersey" who sparked famous table-flipping
Brian Austin Green
Supermodel with fierce beauty and even fiercer temper
Now married to a "Transformers" starlet, Green grew up on "Beverly Hills, 90210"
Hilton starred on "The Simple Life" with then-BFF Nicole Richie.