Better late than never when it comes to celebrating the birthday of a pop princess! Britney Spears turned 30 on December 2, and this past Friday (Dec. 9), the singer partied down with some of her closest friends who enjoyed feasting on a five-layer cake, as well as a variety of fancy cupcakes, among other things.

“Having an amazing time at the end of my tour / belated bday party,” Spears tweeted on Friday night, along with a picture of her blowing out the candles on her cake.

This weekend, Spears wrapped the final show on her 2011 tour schedule at the Coliseo De Puerto Rico in Puerto Rico on Saturday night (Dec. 10), and according to her Twitter page, she is ready to do some much-needed relaxing with Christmas soon approaching. Thanks to the help of some of her 11,000,000-plus followers, Spears wrapped her Christmas shopping last week!

“Looks like my xmas list is complete,” she proudly told her fans via Twitter. “Thanks for all the great suggestions its been fun shopping with ya’ll.”

Spears fans who are still looking for that last minute stocking stuffe can now purchase the singer’s ‘Criminal (Remixes)’ on iTunes, available here.

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