Lady GaGa, Elton John 'to duet at Grammys'

Lady GaGa and Elton John will reportedly perform together at the Grammy Awards on Sunday.

The pair are rumoured to be working on a duet for the annual event, which is held at the Los Angeles Staples Centre on January 31.

Details are yet to emerge about which song the twosome will perform, however reports claim that it will be one of the most "memorable" in the ceremony's history.

Sir Elton refused to dispel the rumours when he was quizzed on the plans at the Sundance Film Festival in Utah this week, Metro reports.

"Elton and Lady Gaga on the same stage is sure to create fireworks, it could be one of the most memorable Grammy performances of all time," Contactmusic quotes a source as saying.

Sir Elton famously collaborated with Eminem at the awards ceremony in 2001.

Pink, Beyoncé, Black Eyed Peas and Taylor Swift are among other acts confirmed to perform at the 52nd annual Grammy Awards.

Beyonce leads the list of nominations with ten nods, while Taylor Swift has eight and Black Eyed Peas six.

> Grammy Awards 2010: The Nominees