Lady Gaga's performing with the Rolling Stones at their anniversary 'gig' thing

Lady Gaga will be per­form­ing with up and coming band the Rolling Stones, she's announced on Twitter.

"I am so honored [SHE MEANS 'HONOURED'] and excited to announce I will be per­form­ing with @rollingstones on Dec15 for their 50th Anniversary Concert "One More Shot"," she announced, before adding: "He had me at "hello, it's Mick."

The 'gig' will take place at the Prudential Center in Newark, which is in New Jersey.

Apparently you can watch it online and there's more inform­a­tion about all that here.