Beyoncé's Mom Tina Boogies at Friend's Party After Obama Allegedly Spills the Beans on the Twins' Sex

Whether Tina Knowles Lawson is a grandmother to twins yet is a mystery, but one thing's for sure: She sure can bust a move. The mother of Beyoncé and her husband of two years Richard Lawson enjoyed a night out Friday, donning '70s duds for a disco-themed bash to celebrate friend A.C. Collins' birthday. And the couple had no problem getting down on the dance floor. "When your favorite song of all times comes on 'Drifting on a memory There's no place i'd rather be than with you ! Yeah Than loving...