Female celebrities have it rough in Hollywood.
The pressure to please viewers and promote themselves as a certain image on a daily basis can be daunting and degrading.
Christina Aguilera created a new overtly sexual identity for her album "Stripped," Tara Reid started partying up a storm after her "American Pie" heyday and Demi Lovato had to check into rehab for bulimia after appearing as the perfect Disney channel darling.
Now, as we all witness Rihanna's steady plunge into the scandalous depths of crazy, take a moment to look back at some memorable 180-degree transformations of some of the most famous female singers, models and actresses.
Demi Moore
Former "Brat Pack-er" Demi Moore seemed to have everything going for her until her latest breakdown.
Moore was married to Ashton Kutcher and had a big, happy family with her daughters and her ex-husband Bruce Willis.
She had also recently been cast as the iconic feminist Gloria Steinem in the new Linda Lovelace (aka Deep Throat) biopic.
But amidst rumors of Ashton cheating, the two decided to split and Moore was said to be out partying until the early hours of the morning.
The actress then dropped out of the Linda Lovelace film and went to get treatment for "exhaustion" among other things. We're hoping she has a speedy recovery and gets back to her healthy self soon.
Rihanna
As we've shown you before, the Barbados-born pop star seems to be going down a slippery slope of party behavior.
While Rihanna has always been known for her sultry style, recently she's taken that shtick to a whole new level.
She's tweeted scantily clad photos of herself, started an online feud with Chris Brown's new girlfriend and even her music is getting more X-rated.
We're all, unfortunately, on breakdown-watch for this star.
Tara Reid
The "American Pie" star definitely showed how different she was from her character Vicky, the good girl who breaks up her boyfriend before going to college.
Reid quickly became known for her heavy drinking and partying and, of course, there's the 2005 wardrobe malfunction she had at P.Diddy's 2005 party.
In 2008, the actress finally checked into rehab of her own accord and now she's back on track with her new film "American Reunion" which was released to lackluster results at teh box office earlier this month.
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