Rihanna has just been announced as the headliner of the 2011 NBA All-Star Game tipping off on Sunday, February 20, at 8 p.m. ET on TNT. Along side Lenny Kravitz, Josh Groban and Cee Lo Green as the main musical attractions for the NBA All-Star Game. Rihanna will perform her “Loud” hits “What’s My Name?” and “Only Girl” at halftime, while Kravitz will play his new single, “Come On Get It” during the player introductions.

Before tip-off, Josh Groban will perform the U.S. national anthem, while R&B singer Melanie Fiona will perform Canada’s.

RiRi did take to Twitter to express her excitement:

Singer Keri Hilson and Bruno Mars have been added to the pre-show line-up, hosted by Nick Cannon. They will perform on a special Magenta T-Mobile carpet, celebrating the 60th anniversary of the cell-phone company.

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