STAGE TUBE: Lady Gaga & Sugarland Perform at GRAMMY NOMINATIONS CONCERT LIVE

After opening the show on last night's GRAMMY NOMINATIONS CONCERT LIVE with her new song 'Marry the Night,' Lady Gaga returned to perform an unexpected duet with Sugarland.

The nominations for the 54th Annual GRAMMY Awards were announced on the show by The Recording Academyand reflected an eclectic mix of the best and brightest in music over the past year, as determined by the voting members of The Academy. For the fourth year, nominations for the annual GRAMMY Awards were announced on primetime television as part of "The GRAMMY®Nominations Concert Live!! - Countdown To Music's Biggest Night®," a one-hour special broadcast live on CBS from Nokia Theatre at L.A. LIVE. The 54th Annual GRAMMY Awards will be held on "GRAMMY Sunday," Feb. 12, 2012, at STAPLES Center in Los Angeles and once again will be broadcast live in high-definition TV and 5.1 surround sound on CBS from 8 - 11:30 p.m. (ET/PT). 

Kanye West topped the nominations with seven; Adele, Foo Fighters and Bruno Mars each garner six nods; and Lil Wayne and Skrillex each are up for five awards. Drake, Paul Epworth, Cee Lo Green, Philip Lawrence, Ari Levine, Nicki Minaj, Mumford & Sons, Radiohead, Rihanna, and Justin Vernon (Bon Iver) each received four nominations.

"Once again, it is most gratifying to see the GRAMMY Awards process produce a broad cross section of diverse and impressive nominees across multiple genres," said Neil Portnow, President/CEO of The Recording Academy. "This year's nominations truly reflect an exceptional and talented creative community that embodies some of the highest levels of excellence and artistry in their respective fields. Coupled with the fourth year of our primetime nominations special, the road to Music's Biggest Night, the 54th Annual GRAMMY Awards in February, is off to an exciting and appropriate start."

To watch Lady Gaga's performance with Sugarland at last night's GRAMMY NOMINATIONS CONCERT, click below!