LISA RINNA Former Melrose Place star Rinna, 45, has admitted to having injections of Juvederm in both her cheeks and lips. "When you change your face, you don't look like yourself," Rinna (in L.A. last month) told Momlogic.com. "Looking fresher is one thing. I look like a freak! I always said I wouldn't change my face, but I did it."

JOAN RIVERS Comedy vet Rivers, 75, has been outspoken about her multiple cosmetic surgeries, writing about her eye lift, nose job and breast augmentation in her 2008 book, Men Are Stupid...And They Like Big Boobs: A Woman's Guide to Beauty Through Plastic Surgery. "Looking good," Rivers writes,"equals feeling good ... I'd rather look younger and feel happy than look older and be depressed."

JESSICA SIMPSON While the singer has recently battled rumors of an expanding waistline, there is one thing she's admitted has plumped up: her lips! "I had that Restylane stuff," Simpson, 28, told Glamour magazine in 2006, adding that she was disappointed in the results. "It went away in like four months...[but] thank God! [They] looked fake to me. I didn't like that."

TARA REID The actress found it tough to score a job after going under the knife. Reid, 33, revealed to CBS News that her 2004 breast augmentation left her with deformed nipples and rippled skin. "My stomach became the most ripply, bulgy thing," she said. "I had a hernia, this huge bump next to my bellybutton. As a result, I couldn't wear a bikini. I lost a lot of work." Reid had the procedures reversed in 2006.

JANICE DICKINSON America's self-proclaimed "first supermodel," Dickinson, 54, went under the knife for a breast enlargement, tummy tuck, both neck and face lifts, liposuction and Botox. After her surgeries, Dickinson's then 20-year-old son, Nathan, urged his mother to stop. "I won't do any more plastic surgery," Dickinson told U.K.'s Daily Mail in response. "if he's looking."

JOCELYNE WILDENSTEIN Nicknamed "Catwoman" for her feline-like features, socialite Wildenstein, 62, first went under the knife in the 70's, fearing her millionaire husband would leave her if she did not change her look. Later, she admitted that the surgery was not an effort to maintain her marriage, but rather to pay homage to exotic wild cats, which her husband loved.

PETE BURNS The Dead or Alive singer, 49, is most famous for his song "You Spin Me Round," but is equally as known for his extensive cosmetic surgeries. Burns defended his choice to enhance his features to the Times Online, explaining that surgery is quickly becoming the norm. "Look how common [it] has become," he said. "It's the same with piercing: when I had my nose pierced in 1973, it was considered shocking. Now, housewives have everything pierced!"