She said Mr Lazarus told her he part-owned the club before leading her into an alley outside and raping her.
Mr Lazarus argued the sex had been consensual.
In finding him not guilty,Judge Robyn Tupman said Mr Lazarus genuinely believed the woman was consenting.
"She did not take any physical action to move away from the intercourse or attempted intercourse,either when they were standing up,or when she was down on the ground on all fours,"Judge Tupman said.