Pop Bytes: Nas Talks Grammys With Dave Grohl on ‘Chelsea Lately’ + More

- Nas talked to Dave Grohl (who filled in for 'Chelsea Lately') about the Grammys and rap beefs. [Diffuser.fm]

- In preparation for Sunday, check out the most insane Grammy outfits, ever. [Hollywire]

- Alicia Keys will perform at halftime of the the NBA All-Star game. [Rickey]

- The Season 2 premiere of 'Smash' had terrible ratings. [Hypable]

- Pete Wentz answered fan questions about Fall Out Boy's hiatus. [BuzzNet]

- Demi Lovato says doing 'X Factor' was a mistake. [Amy Grindhouse]

- Chris Brown rants on Instagram, or did he? [StarCrush]

- Carrie Underwood thinks it's time for another woman to win 'American Idol.' [Taste of Country]

- See the transformation Lil Kim's face. [TheDrop.fm]