Beyonce announces first pregnancy at MTV's Video Music Awards

LOS ANGELES - Beyonce and Jay-Z's offspring doesn't even have a name yet, but it was the indisputable breakout star of Sunday's MTV Video Music Awards, upstaging everyone, even Katy Perry's win for video of the year.

Perry, who had the most nominations coming into the show with 10, came away with three moonman trophies, including video of the year for the inspirational clip "Firework."

But the night's big news came from Beyonce, who stole the show before it even began when she announced on the black carpet that after more than three years of marriage, the dazzling couple had produced the ultimate all-star collaboration. Dressed in a loose-fitting, off-the-shoulder red gown, she clutched the baby bump that so many celeb-watchers had been predicting since the two wed.

Later, Beyonce performed "Love on Top," and if Twitter hadn't already spread the news, her outfit gave clues to her impending motherhood; instead of her typical sexy outfits, she dressed in conservative spangled tux -- but still danced around in her signature stilettos.

Beyonce didn't utter a word about the pregnancy, but ended the number by taking off her jacket and rubbing her swollen belly; in the audience, an elated Jay-Z hooted and clapped for his wife as Kanye West hugged him.

In an instant, Beyonce and her soon-to-be child managed to overshadow the night's events. Lady Gaga's much-hyped opening number, during which she performed as a greasy, leather-jacketed male alter-ego during a performance of "You and I," became less interesting. So did the evening's meticulously planned wild moments, from Nicki Minaj's origami-like outfit to a dance-off between the members of Odd Future and Jack Black, Will Ferrell and Seth Rogen.