1990s music stars: Where are they now?

POSTED: 11:09 AM PDT March 26, 2012    UPDATED: 11:00 PM PDT March 25, 2015 
Mariah Carey, 1991 self-titled debut

With Mariah Carey celebrating her 45th birthday on Thursday, check up on the singer and some of your other favorite 1990s music stars.