Drake loses number one spot to Bieber
Kunis and Applegate celebrate 'Bad Moms'
Michael Keaton receives Walk of Fame star
Katy Perry performs live at the DNC
Hollywood and Asian cinema merge in 'The Great Wall'
New trailer for Harry Potter spin-off revealed
Star-studded lineup unveiled for 73rd Venice Film Festival
The Rolling Stones to appear in cinemas worldwide
'Bad Moms' launches in Los Angeles
Composer A.R. Rahman on new tour and movie
'Talking donkeys' entertain London
Professor Brian Cox promotes science at London school