New mom Knowles shows off her post-baby body alongside her mother in N.Y.C. Plus: Jay-Z & Liza, Eva Longoria, Orlando Bloom and more

B-DAZZLING!

Jay-Z's superstar wife, Beyoncé, flaunts her post-baby body in a formfitting dress while posing with mom Tina Knowles at an afterparty celebrating her husband's double concert dates in New York.