Sure, Beyoncé might seem perfect from the outside, but there's a lot of work behind those flawless curves!
The Single Ladies singer had a kiki with her girl Oprah Winfrey about weight gain and loss, and it was clear she had NOT been expecting to put on that much!
Ch-ch-check out the video (above) to find out how much Bey had to lose post-baby!
We'll give you a hint: it was more than fifty pounds! Wow!