Katy Perry and Justin Bieber are among the brightest names to perform at the CapitalFM's Summertime Ball.

The 20thAnnual Elton John AIDS Foundation Oscar Viewing Party raised a staggering $5 million for the fight against...

Katy Perry and Lady Gaga have donated items to a New Zealand charity auction.

While on tour, Katy Perry is encouraging her fans to give to charity.

EMI in the UK are having an auction to support relief efforts in Japan.

Hollywood stars and entertainers have shown support for Japan after the tragic earthquake and tsunamis.

Tickets-for-Charity have tickets available for Katy Perry's California Dreams tour.

Get tickets to the premiere of 'The Smurfs'.

Lou Doillon and Elizabeth Jagger are the faces of this year's Fashion Against AIDS Campaign.

Whoopi Goldberg will be guest of honor at the amfAR Gala Vienna part of this year's Life Ball celebrations.

The Grammy Awards charity auction, leading up to the huge event on in LA this weekend, starts today.

Go backstage and meet Katy Perry on her UK Tour, as part of a charity auction supporting Beatbullying.

Snoop Dogg, Katy Perry (pictured), Rachel Ray, Lauren Conrad, Vanessa Williams and Rev.

A long list of acts including Katy Perry (pictured), Dizzee Rascal, Lionel Richie, Leona Lewis, Kelly...

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

Star of the weekend's Life Ball, Katy Perry (pictured) as well as Santigold, The Veronicas, Gomez, O.

Katy Perry (pictured left), Roisin Murphy, Pharrell Williams/N.

Katy Perry and The Blonds Team Up on Life Ball Mini 2009 Powered by Global Auto Systems VIENNA, Austria &8212 Europe's biggest AIDS charity

PA Entertainment Katy Perry will perform at the Summertime Ball Katy Perry has been added to the Summertime Ball line-up.

Katy Perry will play this year's Life Ball, a huge annual AIDS/HIV fundraising party in Vienna, broadcast live on TV.

Katy Perry and Dame Shirley Bassey performed at the annual Fashion Cares Gala in Canada, an event raising funds for the AIDS Committee of Toronto.

Following Katy Perry's red carpet charity confession, another high profile pop star, Victoria Beckham, has come...

Katy Perry is showing her commitment to charity and compassion, showing up to the MTV VMA Awards in an outfit she bought from a charity fashion show.

Worldwide number 1 hit 'I Kissed a Girl' singer Katy Perry has made a bust of her bust at the summer Warped Tour to go up for sale by charity auction.