From Beyoncé and J.Lo's girls' night to Nicole and Joel's date night, come inside the weekend's biggest bashes!
Credit: Charley Gallay/WireImage
Updated: Monday Feb 01, 2010 | 03:00 PM EST
By: Kiran Hefa and Janet Mock
More from PEOPLE
See More News
Kim, Rihanna, Jennifer and more heat up the red carpet on music's biggest night
1 of 13
Jennifer Lopez gets in a hug with Grammy night's big winner, Beyoncé, at Antonio "L.A." Reid’s Post-Grammy Dinner Sunday at Cecconi in West Hollywood.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.