We've got a special sneak peek at Gwyneth Paltrow's musical appearance on Fox's hit Glee, as the Oscar winning actress belts out a spirited rendition of Cee Lo Green’s Forget You.

Watch the video on Breaking Celebrity News

Glee creator Ryan Murphy told People Paltrow was "such a professional" in preparing for the episode, in which she plays a substitute teacher.

"She loved it, actually," he said. "She's just the best. She's the easiest, breeziest girl around. She was so prepared, she worked so hard."

The 38-year-old beauty's been gearing up her musical chops for the better part of 2010, as she performed Country Strong -- the title track from her upcoming f