Madonna celebrates 56th birthday with Kate Moss

Madonna posted the photo of herself wearing a beaded black dress next to the model, 40, who was clad in a black gown, on her Instagram account.

“Bow down Bitches! whatitfeelslikeforagirl.(sic), she captioned the picture.

Madonna also shared a shot of partygoers posing in front of giant ‘M’, who were clearly enjoying their evening.     “House of M! House of Fun! La Vie en Rose! unapologeticbirthdaybitch,” she wrote.

She was joined by her four children and shared a picture of her youngest son wearing a black tuxedo.