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She left with a black eye and multiple lacerations after she was knocked unconscious in a brutal attack by a fellow concertgoer.

On Wednesday, Elston and fiancé Cain Thomas Stephens Webb, who was also injured during the attack, filed a personal injury complaint in L.A.

The attorney representing him in the criminal case did not immediately respond to a request for comment on the civil suit.

The attack went on for several minutes without any security guards intervening to protect Elston and Webb from Zavala, which the complaint alleges was a substantial factor in the injuries they suffered.

Webb sustained multiple punches as he tried to intervene in the assault.