Dita Von Teese was among a host of celebrities out to do their bit for charity at the MAC Viva Glam Party in London.Rosario Dawson, Jesse Metcalfe and Steven Tyler also attended the soiree which was held to raise awareness for the cosmetic company's Aids fund through the sale of Viva Glam lipstick.Burlesque queen Von Teese was there to put on another one of her titillating shows and explained it was all for a good cause.She said: "I wanted to create a show that brought even more attention to the lipstick, so I just thought I was gonna ride a nine-foot Viva Glam lipstick!"Meanwhile the star, who boasts a 22-inch waist, also offered tips to stay in top shape."I try to get a good night sleep and know when the party is over," she revealed. "I always know when it's time to leave. I stay out of the sun - I use sunscreen when I'm outside. And I drink lots of water and exercise."© Independent Television News Limited 2007. All rights reserved.