It's time for some BIG parties in the Big Easy.

With the Super Bowl taking place in New Orleans this year, a ton of stars have been flocking to Louisiana to show their 49ers or Ravens pride ... and celebrating like crazy!

Justin Timberlake returned to the stage last night for his first musical performance in years, singing at the DirectTV pre-Super Bowl bash. Celebs like Kate Upton, Hayden Panettiere, Ian Somerhalder, Aaron Paul, David Arquette and even Paul McCartney attended.

But it wasn't just last night -- there have been parties all week leading up to the big game.

Check out the gallery above to see shots of Jenny McCarthy, Kendra Wilkinson, Snoop Dogg, Josh Hutcherson, Sofia Vergara and many, many more!

Plus, a bunch of stars took part in the annual Celebrity Beach Bowl -- see who was spotted playing some football of their own in New Orleans.

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