N o w - H o l l y w o o d . b l o g s p o t .c o m

Seldom does a major music event happen without her being there, and at last night’s Z100 Jingle Ball, Rihanna showed up to add a little sex appeal to the night’s festivities.

The “Take a Bow” babe was a major player at the shindig, schmoozing backstage with the likes of Kanye West and Katie Couric, as well as taking the stage with her hunky boyfriend Chris Brown for a killer performance.

Checkout More:

• Tara Reid enters Rehab!

• Kim Kardashian: Proud Her sister's Nudity

• Jennifer Aniston's more Photos from GQ

• Miley Cyrus Reacts to Golden Globe Nomination

• Michael Phelps & Caroline Pal: Spotted