Credit: Jackson Lee / Splash News Photo: Beyonce in NYC on Februayr 7, 2012

Having a baby has agreed with superstar singer Beyonce Knowles.

As if she didn't rock voluptuous curves before having a baby, the glowing new mommy proudly showed off her post-pregnancy body in a tight red dress at hubby Jay-Z's Carnegie Hall performance in New York City on Monday, February 6.

The glowing singer, who gave birth to her and Jay Z's first child, Blue Ivy Carter, on January 7, 2012, looked extra smiley during her big night out on the town. Hey Bey, if you want more nights out and need a babysitter, you know who to call! (Yes, we mean us.)

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Credit: Video via 5minmedia.com Photo: Beyonce Post-Pregnancy Bod