Singer Katy Perry performs during the ski winter opening on November 28, 2009 in Ischgl, Austria.

Nick Jonas live with guitar.

Lil Mama volunteers at New York City Rescue Mission on November 26.

Stevie Wonder, who was appointed The United Nations Messenger of Peace, stands with UN Secretary-General Ban Ki-moon in New York on December 3.

LeAnn Rimes attends the Holiday Tree Lighting at L.A. LIVE on December 3.

British soccer star Didier Drogba and Bono attend the NIKE & (RED) Charity Announcement at NikeTown on November 30, 2009 in London, England. The partnership will help fight HIV/AIDS in Africa by delivering funds to support programs that offer education and medication to people in need.

Rihanna performs at an exlcusive MySpace and JetBlue concert at Hammerstein Ballroom on December 3.

Keri Hilson and rapper T-Pain attend The Grammy Nominations Concert at Club Nokia on December 2.

Mike Shinoda of Linkin Park and Fergie attend The GRAMMY Nominations Concert Live! at Los Angeles club Nokia on December 2.

Michael Bublé performs at the Rockefeller Center Christmas tree lighting in New York on December 2.

Aretha Franklin performs at attends the Rockefeller Center Christmas tree lighting in New York on December 2.

Gwen Stefani takes her children to Winter Wonderland in London's Hyde Park on December 1.

Rivers Cuomo and Scott Shriner of Weezer perform at the Aragon Ballroom on December 1, 2009 in Chicago, Illinois.

Sean 'Diddy' Combs visits Y 100 and The Beat radio stations at Clear Channel headquarters in Miami on December 1.

Taboo of Black Eyed Peas swaps numbers with Jack Black at the game between the New Orleans Hornets and the Los Angeles Lakers at the Staples Center on December 1.

Ashlee Simpson-Wentz attends her Broadway debut in 'Chicago' at the Ambassador Theatre in New York onNovember 30.

Karen O of the Yeah Yeah Yeahs performs on stage at London's Brixton Academy on November 30.

Andrew Stockdale of Wolfmother performs at the 2009 MTV Summer Party at the Hyde Park Barracks in London on December 1.

Beth Ditto of Gossip performs live at Kentish Town Fourm in London on November 28.

Singer/songwriter Imogen Heap performs onstage at Webster Hall on December 2, 2009 in New York City.

"American Idol" champion David Cook performs at the Progress Energy Center for the Arts Mahaffey Theater in St. Petersburg, Florida on November 27.

Cory Monteith of "Glee" attends the 'Carol-Oke' Contest at New York's Bryant Park on December 3.

Alice Cooper performs at the Civic Hall on December 1 in Wolverhampton, England.

Congrats to Sydney Frames , whose photo of Dameon Aranda from the band Aranda performing in Little Rock, AR won this week's fan photo contest!