The blogosphere is buzzing with the recent rumor that R&B diva Beyonce is pregnant. It's unlikely that the singer, who's yet to confirm her recent nuptials to hip-hop mogul Jay-Z, will confirm or deny being preggers, but that won't stop the bloggers. Beyonce bump watch has officially begun!

Sources close to Beyonce have also discussed the singer's weight gain and questioned whether Bey's "eating for two." "She has gained a lot of pregnancy weight," an unnamed source said. "When she gains weight, she normally does the Def Jam detox, but not now."

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Adding to the speculation, Beyonce and Jay-Z were spotted at a New York burger joint after New York's Costume Institute Gala. Apparently the posh -- and minimal -- meal provided at the event was not enough to fill Bey's belly.

When questioned about the pregnancy rumors, a rep for the singer responded: "I don't know if she's pregnant. Let me perform an ultrasound and get back to you."