Whoa. Someone in Britney Spears' camp has seemingly divulged some pretty private information on the singer: her body measurements. And if she's like most women, she will not be happy about it in the least!

As Brit prepares her Las Vegas stage show, an ad appeared seeking a body double that appears to tell the whole world Britney's weight, height, dress size, shoe size -- and her exact measurements! "Looking for a body double for Britney Spears," the casting call reads. "Please only submit if you have these measurements or are very close to them all."

The notice calls for a female caucasian between the ages of 21 and 33 with a 32C bra size, 27-inch waist and 35-inch hips. Applicants must also wear a size 7 shoe and size 4 dress -- and weigh 130 pounds! So it's safe to assume that Brit's rigorous workouts for the Planet Hollywood residency have been working out for her and her figure.

"I have not been this sore in my entire life," she recently told Vegas Player magazine. "When I started working out, I was sore for like, three days. I could hardly move. I'm really challenging myself with the choreography ... Whenever I do a show, I'm really keen on making it a show. I love to dance and perform. Because it's Vegas, I want to do something different. This is the perfect place to bring it to the next level."

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