London, May 18 : Eva Longoria Parker, Katy Perry, and Pamela Anderson joined forces to raise awareness about AIDS at a recent ball.

The beauties turned up at the 2009 Life Ball, held in the town hall of the Austrian capital Vienna, to support HIV charity AIDS Life on May 16.

Desperate Housewives actress Eva, a representative of the American Foundation for AIDS Research, had a few words to say during the event.

"There''s a terrible shortage of doctors and other healthcare workers who are trained to provide the proper treatment and care for those children (with HIV)," the Daily Star quoted her as saying.

Other guests attending the event included former U. S. President Bill Clinton, model Amber Valletta, and actress Fran Drescher. (ANI)