The pictures have emerged and now whispers on the set of Britney Spears’ new video Piece of Me, claim that the pop-tart has angered dancers and crew by showing up to the set 12 hours late.

Us magazine report that the 25-year-old left her Beverly Hills home after 7 p.m despite a call time of 8 a.m. because of her visitation schedule with her two children Sean Preston, 2 and Jayden James, 1.

"I've been there since 3 p.m. and have not shot a thing!" fumed one dancer "I finally finagled my way out. It's all very unorganized. They are calling in more people for late night."

The video, which is a follow-up to her disastrous comeback single Gimme More, sees Spears and a hoard of look-a-likes sporting coats, short blonde wigs and dark sunglasses in order to fool the paparazzi.

According to sources the Toxic singer uses a “body double to shoot all the scenes that don't require her face."

Shooting for her new video wrapped at 5 a.m. and Spears was spotted leaving the Hollywood venue shortly after 6:30 a.m.

To see on-set pictures from Britney’s new video Piece of Me, click here and here!