Christina Aguilera, Mary J. Blige, Ludacris, Justin Timberlake, and Carrie Underwood will perform on the 49th Annual GRAMMY Awards telecast, it was announced today by The Recording Academy. The Black Eyed Peas, Ciara, and Nelly Furtado will appear as presenters. Previously announced performers include Beyonce, the Dixie Chicks, Gnarls Barkley and the Red Hot Chili Peppers. Previously announced presenters include Terrence Howard, Samuel L. Jackson, P!nk, and Rihanna. The music industry's premier event will take place live on Sunday, Feb. 11, at STAPLES Center in Los Angeles and will be broadcast in HDTV and 5.1 Surround Sound on the CBS Television Network at 8 p.m. (ET/PT). The show also will be supported on radio via Westwood One worldwide and XM Satellite Radio, and covered online at GRAMMY.yahoo.com. Additional performers, presenters and special segments will be announced soon.

Leading the pack with eight GRAMMY nominations, three-time GRAMMY winner Mary J. Blige is up for Record Of The Year, Song Of The Year, Best R&B Song, and Best Female R&B Vocal Performance for "Be Without You," Best R&B Album for The Breakthrough, Best R&B Performance By A Duo Or Group With Vocals (Jamie Foxx featuring Mary J. Blige for "Love Changes"), Best Pop Collaboration With Vocals (with U2 for "One"), and Best Traditional R&B Vocal Performance ("I Found My Everything").

With four nominations, two-time GRAMMY winner Justin Timberlake (who will perform solo and with the My GRAMMY Moment winner) vies for Album Of The Year and Best Pop Vocal Album for FutureSex/LoveSounds, Best Rap/Sung Collaboration for "My Love" featuring T.I., and Best Dance Recording for "Sexyback."

Also with four nods, GRAMMY winner Ludacris is up for Best Rap/Sung Collaboration for "Unpredictable" with Jamie Foxx, Best Rap Performance By A Duo or Group for "Georgia" (with Field Mob and featuring Jaime Foxx), Best Rap Album for Release Therapy and Best Rap Song for "Moneymaker."

Three-time GRAMMY winner Christina Aguilera has two nods: Best Female Pop Vocal Peformance for "Ain't No Other Man," and Best Pop Vocal Album for Back to Basics.

Country superstar Carrie Underwood also has two noms: Best New Artist, and Best Country Female Vocal Performance for "Jesus, Take The Wheel."

Established in 1957, the National Academy of Recording Arts & Sciences, Inc., also known as The Recording Academy, is an organization of musicians, 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 Recording Academy is responsible for groundbreaking professional development, cultural enrichment, advocacy, education and human services programs -- including the creation of the national public education campaign What's The Download (WhatsTheDownload.com). For more information about The Academy, please visit www.grammy.com.