Katy Perry, Estelle, Robyn, Tokio Hotel and N.E.R.D. have joined forces with H&M for the clothing store's Fashion Against AIDS annual charity clothing line. Each musician has collaborated with the brand and designed a piece of clothing with a personal safe-sex slogan printed on it.

Katy's message reads, "It's what's on the outside that counts," while Estelle's says, "Life is too short -- have sex be safe." In addition to music newbies, such legends as Cyndi Lauper and Yoko Ono designed clothing with slogans like, "Girls just wanna have safe sex" and "Imagine peace."

(Check out Tokio Hotel and Dita Von Teese's shirts, after the jump!)

Former Mrs. Marilyn Manson and burlesque star Dita Von Teese is also working with H&M on the campaign. "It's an honor to be asked to take part in this brilliant project," she said about working with H&M. "Every little thing that we do as individuals can add up to something that makes a major impact in the fight against HIV. With the purchase of these stylish T-shirts, you can be a part of something that makes a huge difference in this pandemic, while looking super-chic!"

Working with charities like Designers Against AIDS, YouthAIDS, UNFPA and MTV Staying Alive Foundation the campaign donates 25 percent of the sales price from the collection to HIV/AIDS awareness projects. It goes on sale May 28.