Beyonc baby reveal sets Twitter record

Beyonc'spregnant performanceat the MTV Video Music Awards sparked a Twitter record.

When Beyoncperformed at 10:35 p.m. ET Sunday night, there were 8,868 tweets per second. Twitter said that rate was a record for the service.

At the VMAs, Beyoncrevealed a baby bump, cupping her growing belly for photographers as she arrived and rubbing her tummy when she performed. The 29-year-old singer is married to Jay-Z.

The VMAs drew MTV's biggest audience since the network began measuring its viewership. Sunday night's show attracted 12.4 million viewers.

Beyonc's baby announcement topped the previous Twitter record of7,196 tweets per second, which was set in July after Japanbeat theUnited States in the final of thewomen's World Cup.