Social Scene: Week of December 5

Our favorite celebs sure had some fun this week!

Britney Spears celebrated her 35th birthday in style over the weekend, ringing in the big 3-5 by performing at the Jingle Ball in Los Angeles, surrounding by her dancers and, of course, Ryan Seacrest.

SEE ALSO: Matthew McConaughey, Reese Witherspoon and more stars bring their kids to 'Sing' movie premiere

Elsewhere, the Jenner sisters flaunted some major skin on Instagram, with Kylie soaking up the Miami sun during Art Basel in a revealing thong bikini, while Kendall shared a cheeky Boomerang from behind the scenes of her racy LOVE magazine advent calendar shoot.

Chris Pratt continued to hilariously exclude Jennifer Lawrence from his pictures from the "Passengers" international press tour, Camilla Alves and husband Matthew McConaughey rubbed shoulders with big names in music like Jennifer Hudson and Stevie Wonder at the "Sing" premiere and Debra Messing turned heads by posting a photo of herself wearing nude underwear and thigh-high boots.

Check out all of the star-studded action this week:

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