CURRENT NOMINEES BECK, MARY J. BLIGE, JUANES AND SIA ADDED TO "THE 57TH ANNUAL GRAMMY AWARDS(R)" LINEUP, SUNDAY, FEB. 8 ON CBS

ALL-STAR GRAMMY(R) MOMENT TO FEATURE GRAMMY AWARD WINNERS HERBIE HANCOCK, JOHN MAYER, QUESTLOVE, CURRENT NOMINEE ED SHEERAN AND THE LEGENDARY JEFF LYNNE'S ELO

GRAMMY AWARD NOMINEE BRANDY CLARK TO DUET WITH TWO-TIME GRAMMY AWARD WINNER DWIGHT YOAKAM

Coldplay's Chris Martin To Guest With Beck; Internationally Acclaimed Pianist and GRAMMY Ambassador to China, Lang Lang, To Take Part in One of the Evening's GRAMMY Moments

Music's Biggest Night(R) Hosted By LL COOL J

The latest performers for THE 57TH ANNUAL GRAMMY AWARDS(R) broadcast have been announced, and include GRAMMY(R) Award winner and current nominee Beck, who will perform a song from his GRAMMY Award-nominated album alongside Chris Martin, who holds three nominations this year with Coldplay; and nine-time GRAMMY Award winner and nominee Mary J. Blige, set to duet with Sam Smith, one of this year's top nominees.

Additional artists include country music singer/songwriter and nominee Brandy Clark performing with two-time GRAMMY Award winner Dwight Yoakam; GRAMMY Award winners Herbie Hancock, John Mayer and Questlove in a special performance with current nominee Ed Sheeran; two-time GRAMMY Award winner, 20-time Latin GRAMMY winner and current nominee Juanes; internationally acclaimed pianist Lang Lang, who will add his musicality to one of this year's most infectious songs; the recently reunited, legendary Jeff Lynne's ELO, set to perform with Ed Sheeran; and current four-time nominee singer/songwriter Sia. Entertainment icon and two-time GRAMMY Award winner LL COOL J returns as host. Music's Biggest Night takes place Sunday, Feb. 8 (8:00-11:30 PM, live ET/delayed PT) at STAPLES Center in Los Angeles on the CBS Television Network.

Three-time GRAMMY Award winner Beck is nominated for four awards: Album Of The Year and Best Rock Album for Morning Phase; and Best Rock Performance and Best Rock Song for "Blue Moon."

Nine-time GRAMMY Award winner Mary J. Blige is up for Best Dance Recording for "F For You" with Disclosure.

This will be the first performance on the GRAMMY Awards broadcast for Brandy Clark, who is up for two awards: Best New Artist and Best Country Album for 12 Stories.

Two-time GRAMMY Award winner and 20-time Latin GRAMMY Award winner Juanes is up for Best Latin Pop Album for Loco De Amor (Crazy About Love).

Seven-time GRAMMY Award winner Chris Martin holds three nominations with Coldplay: Best Pop Duo/Group Performance for "A Sky Full Of Stars," Best Pop Vocal Album for Ghost Stories and Best Music Film for Ghost Stories.

This will be the first performance on the GRAMMY stage for Australian singer/songwriter Sia, who is up for Record Of The Year, Song Of The Year, Best Pop Solo Performance and Best Music Video for "Chandelier."

Previously announced performers include GRAMMY Award-winning band AC/DC; current nominees and GRAMMY Award winners Tony Bennett with Lady Gaga; nominee Eric Church; nominees and GRAMMY Award winners Common with John Legend; nominee Ariana Grande; nominees Hozier with GRAMMY Award winner Annie Lennox; nominee Jessie J with GRAMMY Award winner Tom Jones; GRAMMY Award winner and nominee Miranda Lambert; GRAMMY Award winners Adam Levine with Gwen Stefani; seven-time GRAMMY Award winner Madonna; GRAMMY Award winner Rihanna with GRAMMY Award winners Paul McCartney and Kanye West; nominee Ed Sheeran; nominee Sam Smith; nominee and eight-time GRAMMY Award winner Usher; and nominee and seven-time GRAMMY Award winner Pharrell Williams.

THE 57TH ANNUAL GRAMMY AWARDS are produced by AEG Ehrlich Ventures for The Recording Academy. Ken Ehrlich is executive producer, Louis J. Horvitz is director and David Wild and Ken Ehrlich are the writers.

About The Recording Academy

Established in 1957, The Recording Academy is an organization of musicians, songwriters, producers, engineers and recording professionals that is dedicated to improving the cultural condition and quality of life for music and its makers. Internationally known for the GRAMMY Awards - the preeminent peer-recognized award for musical excellence and the most credible brand in music - The Recording Academy is responsible for groundbreaking professional development, cultural enrichment, advocacy, education and human services programs. The Academy continues to focus on its mission of recognizing musical excellence, advocating for the well-being of music makers and ensuring music remains an indelible part of our culture. For more information about The Academy, please visit www.grammy.com. For breaking news and exclusive content, follow @TheGRAMMYs on Twitter, like "The GRAMMYs" on Facebook and join The GRAMMYs' social communities on Foursquare, GetGlue, Google +, Instagram, Pinterest, Tumblr and YouTube.