Richie makes a stylish statement with colorful glasses while out in L.A. Plus: Matt Damon, Cameron Diaz, Jennifer Aniston and more

DÈJÁ VU DUET

Look familiar? Rihanna and her beau Chris Brown come face to face (again!), reprising their "Umbrella" duet at the B96 Jingle Bash at the Allstate Arena in Rosemont, Ill., on Tuesday. The pair have gotten cozy onstage for similar performances at various radio-sponsored holiday shows in New York and other cities.