Happy birthday, Britney Spears! The pop superstar celebrated her 35th birthday with a high-energy performance of her greatest hits at 102.7 KIIS FM's Jingle Ball 2016 on Friday, December 2.
Spears took the stage at Los Angeles' Staples Center in a white lace crop top adorned with large feathered sleeves and a pair of black shorts. With her blonde locks in half-up pigtails, she wowed the audience with hits including "Womanizer," "I'm a Slave 4 U," "Toxic" and "(You Drive Me) Crazy."
For her final song of the night, the Grammy winner was joined on stage by Tinashe to perform their recent duet, "Slumber Party," for the first time together. Moments later, Jingle Ball host Ryan Seacrest surprised Spears with a birthday cake and, with some help from Tinashe, led the audience in a "Happy Birthday" sing-along.
"Aww, thank you so much!" Spears, who was visibly flustered by the sweet gesture, exclaimed as she posed in front of the three-tier black fondant cake, which was topped with a large silver "B" and sparklers.
"Thank you for the sweet birthday wishes!" she later captioned an Instagram video of the moment. "Had an amazing day. Love you all."
Earlier in the day, Spears' younger sister, Jamie Lynn, took to Instagram with a sweet birthday message. "Happy Birthday to my big sister," the 25-year-old country singer captioned a throwback black-and-white shot of Britney drinking a milkshake. "Love you very much."
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