Jurors heard the three women ended up in a toilet cubicle, where Glover became agitated and accused them of looking at her husband - from whom she is now estranged.
Playboy's Model of the Year 2006 repeatedly hit her victim's head against the toilet and then tried to force her head down the bowl.
The court heard Miss Hardcastle could not breathe through her nose because of the blood, and had to try to keep her face away from the water in order to breathe.
She said: "My nose was on the other side of my face. It wasn't in the middle of my face anymore. It was completely on one side."

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