Rumors suggest staff at Hyde nightclub insisted on calling an ambulance when Richie fainted and fell to the floor, but her friends insisted they'd take the socialite to hospital.
Sources tell news Web site TMZ.com, "The friends then carried Richie out of the club through the back door."
Richie's representative confirms her client was at Hyde briefly on Saturday night but denies she collapsed.
Last week, Richie's representatives confirmed the star had entered a treatment facility to determine why she hasn't gained weight.
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