TIM MCGRAW will be taping an "all star" concert special on April 8th called "ACM Presents: Tim McGraw's Superstar Summer Night". According to his websitw, you can expect country, pop and rock performers . . . plus "special guests" from TV and the movies. It's going to air sometime later this year on CBS.

Do you care if BEYONCÉ did or did not lip-sync "The Star Spangled Banner" at PRESIDENT OBAMA'S inauguration? MIRANDA LAMBERT sure doesn't. She said, quote, "I don't think it matters. It's Beyoncé, she can do whatever the hell she wants!"

JENNIFER NETTLES is the voice of SUGARLAND. But KRISTIAN BUSH is no slouch. He totally nailed a cover of BRUCE SPRINGSTEEN'S classic "Atlantic City" during last year's "In Your Hands" tour.