In a commercial aired to promote the 56th annual GRAMMY awards, it has been confirmed that rap mogul Jay Z will be performing live at Music's Biggest Night. With rumors that wife Beyonce would be performing at the show as well, people are speculating that the duo would potentially open up the awards show and do one of their famous songs together. But what could hip-hop's most prestigious couple perform at The GRAMMYs? There's always the first feature they did together, "'03 Bonnie & Clyde", or even the continuation of the song, "Part II (On The Run)". A good contender could be the single from Beyonce's self-titled surprise fifth album, "Drunk In Love", and of course, there's probably their most popular feature together, "Crazy In Love". But who knows: Bey's attendance at the awards show is still up in the air. Tune in to the GRAMMYs on Sunday, January 26th on CBS at 8pm EST/PST to find out if Jay Z and Beyonce will really be appearing together at the live event.