Not your average sleepover! Britney Spears shared some behind-the-scenes snaps from the filming of her upcoming music video for “Slumber Party,” a song off her Glory album.
The biggest surprise may be that
This article originally appeared on www.usmagazine.com: Britney Spears Shares Behind-the-Scenes Pics From Sexy ‘Slumber Party’ Video, Reveals Surprise Collaboration
