She first appeared before photographers, telling them she had a surprise and outlining a baby bump under her long gown.
Then the singer, whose hits include "Beautiful Liar" and "Single Ladies (Put a Ring on it), appeared onstage to perform her song "Love On Top," telling the audience to stand up. "I want you to feel the love that's growing inside of me," she said.
At the end of her song, she took off her jacket, smiled broadly and rubbed her tummy. In the audience, her husband and rapper Jay-Z was congratulated by his friend and collaborator Kanye West and he gave Beyonce a big wave.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ