“She had a room booked at the hotel but was too ill to stay and was begging her bodyguard to take her home.

“She looked a real mess and was sitting on the floor with her head over the bowl throwing up.

“There was vomit down the front of her black dress and around her mouth.

“Britney was on her knees and must have been sick four or five times. She didn’t really seem with it, but I don’t know if she was drunk or not.�?

The mother-of-two then had to be helped out of the hotel because she couldn't stand up by herself.

The source added: “It was really sad. Everyone thinks she’s getting back on track after her comeback shows but that’s clearly not the case. I think she needs proper help.�?