Detectives are investigating a complaint of criminal battery against Chelsea defender Ashley Cole in Los Angeles.
The 33-year-old allegedly threw champagne over British TV presenter Donatella Panayiotou during a night out at Hollywood nightclub Lure, the Sunday Mirror reported.
A spokeswoman for the Los Angeles Police Department (LAPD) confirmed they had received a battery complaint against Cole.
She said: "A battery report has been assigned to detectives from the Hollywood division."
Police have 30 days to investigate the complaint, which they received on May 31, before deciding whether to press charges.
Cole was with a group of friends when the alleged incident happened, the Sunday Mirror reported.
A spokesman for Chelsea declined to comment.