If Beyoncé is pregnant, her mother, Tina Knowles, is certainly the last to know. In an interview set to air Thursday on The Ellen DeGeneres Show, Knowles addressed the recent baby rumors that have sprung up.

"I heard that, but I'm here to clear the rumors up. The truth is it's not Beyoncé that's pregnant, it's me," she joked. "No, it's not true. Not right now. I'm looking forward to it. With all the rumors, by now I should have about five or six grandchildren." An item in Us Weekly began this round of rumors, citing an anonymous source. "B was shocked. She loves kids, but she wasn't ready to be a mother just yet," the source said. "She really wanted to get her album done and tour the world again."

This isn't the first time the singer, 29, has been rumored to be knocked up. She and husband Jay-Z have been married since 2008, but according to her, it's not the time for a child yet. "I definitely want to have a child, but I know from my nephew it's a lot," she said earlier this year in an interview in Allure. "I hope that those things will just happen naturally. I still haven't had time to relax." –AMY LEE

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