Mariah Carey and her husband Nick Cannon arrive at M2 club in Chelsea dressed as angels for a Halloween party

Mariah was dressed in a revealing satin corset and satin gloves with some angels wings on her back.

Iggy Pop Receives the Classic Rock Living Legend Award

Iggy Pop poses at a photocall as he is announced as the recipient of the 'Living Legend' award for the 2009 Marshall Classic Rock Magazine Roll of Honour at the Dorchester Hotel on November 1, 2009 in London, England.

Gwen Stefani and Gavin Rossdale take their children Kingston and Zuma Trick or Treating for Halloween

Christina Aguilera dons a cute mother-son skeleton costume in Brentwood

Kate Beckinsale dresses as Adam Ant, with husband Len Wiseman and daughter Lily on Halloween night

Tom Cruise and Katie Holmes jog together in Boston

Helena Christensen Takes Her Son Out for A Halloween Walk

Brooke Shields is Soaked But Happy in NYC

Russell Brand Needs a Costume