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Beyonce flaunted her slim post-baby body at Michelle Obama fundraiser

On Monday night, Beyoncé and her husband Jay-Z, 42, attended  Michelle Obama's fundraising dinner, for the President's re-election campaign wearing a Victoria Beckham dress that showed off every inch of her post-baby figure.
It’s been ten weeks since she gave birth to little Blue Ivy, but Beyonce showed no signs of any post-baby weight, adding fuel to those pesky rumors that the singer was never actually pregnant. But, Beyoncé opted to keep her head above the rumors.

“You know, there are certain things that are so far, it doesn't even affect me," she told Katie Couric during a "20/20" interview, of the incident.
A source told Star magazine that the new mama's weight loss can be attributed to her trainer Marco Borges who has been living in her home where she exercises twice a day.
"Beyoncé and Marco are up at 5 a.m. for a two-hour workout, and they do it again at 5 p.m. They do a mix of cardio, Pilates, plyometrics, yoga and, of course, dance. Beyonce has also complemented her strict workout regimen with a diet of protein shakes, egg-white omelets, pineapple chunks, and lots of ice-cold water".

In addition to the weight loss, Beyonce announced that she will hold her first post-baby performance during Memorial Day weekend in Atlantic City with a trio of concerts from May 25 to May 27.