OWN
02/15/2013 01:37 pm ET

Beyoncé: Pregnancy Weight-Gain '57 Pounds'; Performing 3 Months After Childbirth Was 'Really Crazy' (VIDEO)

Beyoncé -- wife, mother, superstar -- got back on stage just three months after giving birth to her daughter, Blue Ivy. In this clip from "Oprah's Next Chapter," she tells Oprah that she gained 57 pounds during her pregnancy -- and that she "really wanted to know" if becoming a mom had affected her ability to perform.

"I feel so fortunate to do my job," says Beyoncé. "I love my job. I love the singing, I love the way it feels."

To see the interview in its entirety, tune in to "Oprah's Next Chapter" on OWN, Feb. 16, at 8 p.m. ET.

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