Beyonce's baby bump reveal sparks
Beyonce's pregnant performance at the MTV Video Music Awards has sparked a Twitter record.
When the 29-year-old star performed, there were 8,868 tweets per second.
The micro-blogging site said that rate was a record for the service.
Beyonce, who is married to Jay-Z, revealed a baby bump at the awards, cupping her growing belly for photographers as she arrived and rubbing her tummy when she performed.
This year's VMAs drew MTV's biggest audience since the network began measuring its viewership, attracting 12.4 million viewers.
Katy Perry came away with three trophies at the event, including video of the year for Firework.