Britney Spears is looking good, and she has no problem bragging about her toned figure. The singer shared a shot from a recent photo shoot with photographer Jeff Lipsky on her Facebook account, showing her posing while wearing nothing more than a cropped sweater and black underpants. "Been working hard this Summer," Britney wrote. "So ready to bring it for the next round of Piece of Me shows next week." We got a glimpse of Britney's fit frame earlier this Summer when she released a sexy sneak peek of her new lingerie collection, The Intimate Britney Spears, which will be available in September. Aside from working out and preparing for the next round of her Las Vegas shows, Britney has also been making headlines after she joked with former Crossroads costar Zoe Saldana about doing a sequel to the cult favorite. Brit teased Zoe about it on Twitter after the actress defended the singer during an interview for being one of the only "big, big celebrity" that she had met who remained humble.

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