Beyoncé showed off her incredible post-baby body in a tight dress while out to dinner with hubby Jay-Z at Nobu in NYC last night. 

OK! GALLERY: NEW PARENTS BEYONCE & JAY-Z ENJOY A KNICKS VS. NETS GAME IN NYC 

The new parents left their 2-month-old daughter, Blue Ivy, at home while they enjoyed a romantic night out. And we can't get over how incredible Beyoncé looks! 

OK! GALLERY: BEYONCE TAKES BLUE IVY CARTER OUT FOR A WALK WITH MOM TINA KNOWLES IN NYC

Dressed in, of course, an all-blue ensemble, which included blue nails, the new mom proved that it didn't take her too long to get back in pre-baby shape.