Beyonce's Mom Denies Pregnancy Rumors

Tina Knowles tells Ellen DeGeneres that her daughter is not pregnant.

Not so fast. By now, the Knowles family is used to the constant rumors about Beyoncé's reported pregnancies. But in an unusual move, the singer's mother, Tina Knowles, is slated to appear on "The Ellen DeGeneres Show" on Thursday to refute the latest claims.

The latest round of whispers started earlier this week when Us Magazine, citing an unnamed source, reported that the 29-year-old star was expecting her first child with hubby and fellow mogul Jay-Z.

But according to a clip of Thursday's show obtained by gossip site TMZ, Tina Knowles flatly denied those stories. "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 jokingly told Ellen. "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."

Tina does have one grandchild so far, 6-year-old Daniel Julez Smith, the son of her youngest daughter Solange.

Before the denial, Us reported that a source said, "B was shocked. She loves kids, but she wasn't ready to be a mother just yet ... She really wanted to get her album done and tour the world again." Another unnamed source claimed the singer was in her first trimester and that she considered the pregnancy "a gift from God and she's so happy."

This is the second time this year that a rumor has surfaced about Beyoncé being pregnant. In March, her representatives quickly shot down reports that Beyoncé was pregnant.

The couple, who married in 2008, have always kept their private life private, but Beyoncé has been open to talking about motherhood. Earlier this year, she spoke to Allure about the prospect of being a mother. "I definitely want to have a child, but I know from my nephew it's a lot. I hope that those things will just happen naturally. I still haven't had time to relax," she said.