Los Angeles|Party Crasher

Last Night's Parties: Pop Stars Hit The 2013 AMAs, Jennifer Lopez Attends A Dsqaured² Dinner & More

View Slideshow

Pop stars like Katy Perry, Justin Timberlake, Lady Gaga, Taylor Swift, and Rihanna step out for the 2013 American Music Awards; Ryan Seacrest fetes the One Direction iHeart Radio album release; Jennifer Lopez attends a dinner hosted by Dsqaured²—catch up on the weekend's top star-studded events in this edition of Last Night's Parties.

View Slideshow