So much for sticking together.
Hot on the heels of Christina Aguilera's drunken arrest, her former "Lady Marmalade" collaborator Pink slammed the 30-year-old pop star on Twitter Tuesday.
"Out of myself, Britney [Spears] and Christina, didn't everyone think I was gonna be the troublemaker?" the 31-year-old mother-to-be wrote. "LOOK MA! No CUFFS!"