This was one party-packed weekend, people. In case you missed it, we've got all the details you're gonna need right here:
• Kristen Stewart jetted (literally) to Spike TV's Scream Awards fresh from the set of Breaking Dawn, joining the likes of Halle Berry, Blake Lively, Emma Roberts, Kate Bosworth and a gaggle of other celebs.
• Kim Kardashian's birthday isn't until Oct. 21, but that didn't stop the Keeping Up With the Kardashians star from celebrating her big 3-0 from coast-to-coast with parties in Las Vegas and New York.
• Meanwhile, Natalie Portman, Eva Mendes, Olivia Munn and more young Hollywood stars checked out the Environmental Media Association Awards at Warner Bros. Studio.
• Christina Aguilera partied in Hawaii following the announcement of her split from hubby Jordan Bratman, while Carmen Electra teamed up with her sweetie, making a steamy appearance in fiancé Rob Patterson's music video.
• Kanye West headed to Twitter for yet another Tweet-filled rant. This time the culprit was Wal-Mart, who he claimed "banned" his Beautiful Dark Twisted Fantasy album cover.
• Justin Bieber was reportedly booted from a Canadian laser tag facility after a 12-year-old claimed the "Baby" crooner hit him.
• MTV host T.J. Lavin's condition is said to be improving, after a dangerous bike stunt landed him on the ground head-first, with broken ribs, a shattered wrist and swelling on his brain.
• In sad news, Leave It to Beaver star Barbara Billingsley, who played June Cleaver on the show, died at the age of 94 Saturday.