Oscar Weekend Roundup Where the Stars Partied

One of the biggest weekends in Hollywood is ending with a bang tonight with the Academy Awards, and it will be an awesome finish to a wild, exciting weekend of partying and even more awards shows. The stars have been partying ahead of the main event, and we've got the scoop! Check it out:

Paris Hilton leaves a pre-Oscar party at Chateau Marmont. (Pacific Coast News)
Weinstein Film's pre-Oscar bash was the spot where Best Actor frontrunner Colin Firth accepted well-wishes for the big night, and it's also where other stars like Taylor Swift (and her new man Chord Overstreet!) hung out, along with Jennifer Lopez, Renee Zellweger, Gerard Butler, Ryan Phillippe, Leonardo DiCaprio and Bar Rafaeli, Cameron Diaz, and more spent the evening!

Meanwhile, a slew of other celebs enjoyed a fancy sit-down meal at Madeo, at the Chanel pre-Oscar bash, reports Us magazine. The guest list at that party included: Emma Roberts, Drew Barrymore and her new man Will Kopelman, January Jones, Naomi Watts, Ginnifer Goodwin, and more!
Peter Travers And Editors Of Rolling Stone Host Awards Weekend Bash - Inside
The Peter Travers and Editors of Rolling Stone Awards Weekend party at Drai's Hollywood is where Jessica Lowndes, Brandy, Mark Salling, Matt Lanter, and more sipped cocktails and smiled for the cameras Saturday night.

Friday night was also nuts at Chateau Marmont, where DJ Jesse Marco provided tunes for stars like Robert Pattinson and Kristen Stewart, who danced the night away and "definitely" kissed a couple of times, reports a source! Also joining the festivities were Scarlett Johansson, Halle Berry, Olivier Martinez, Miley Cyrus and more.

The celebs were all dressed up and looking great, which only further confirms that tonight's festivities will be out of this world! Tune in at 8pm ET/5pm PT tonight for the Academy Awards!