mariahprecious.jpgPic on right courtesy Lionsgate

Mariah's transformation from sexy diva to homely social worker in the new film, Precious, not surprisingly, was a painful one for the star.

"It wasn't just de-glamorized," Mariah told Us. "They added some hideousness on top of that too. I drank some ugly juice," she said.

And the film's star, Gabourey Sidibe, told the mag that Carey couldn't stand her hair and makeup for the film. "She hated her wardrobe! It was the funniest thing. Like the first day of school or something, where you're not wearing the right socks and the whole outfit's ruined."

But audiences didn't tune in for Carey's glamorized role in Glitter, and she's earning rave reviews for her dowdy turn in the film. Maybe she should let herself get hit by the ugly stick more often!