In shades and a dark cardigan, Rihanna steps out to a London nightclub. Plus: Katie & Suri, Channing Tatum, Jennifer Aniston and more

LOOK, MA, MY HANDS!

Jordin Sparks gets mouthy as she unveils her handprints Tuesday at Planet Hollywood in New York's Times Square. The American Idol star has been making the rounds promoting her sophomore disc, Battlefield.