"I will absolutely be singing live," she said in a press conference. "I am well-rehearsed. I will absolutely be singing live, and this is what I was born to do."
The 'Gift From Virgo' hitmaker also hinted at a post-performance surprise.
"I may have an announcement after the performance," she said, "and the fans should just stay tuned to see."
Using "may" implies that it's possible nothing will happen after the performance, but when has Beyoncé steered us wrong before?
In other Beyoncé news, she's plonked the second rehearsal video thing online and here it is:[youtube]raVt62chujg[/youtube]