Ben Affleck stumbles out of a Halloween party in LA as he appears to have a sobriety setback

Ben Affleck had trouble walking and appeared to stumble against a vehicle, suffering a 'sobriety setback' after leaving a Halloween party on Saturday night in Los Angeles. Tough: Ben Affleck had trouble walking and appeared to stumble against a vehicle after leaving a Halloween party on Saturday night in Los Angeles Whoops: Ben, who wore a white skeleton mask and a black suit, 'seemed to have fallen off the wagon' and 'nearly fell before catching himself on the vehicle,' according to TMZ In a video from Saturday night, Affleck and his lady friend can be heard asking the driver: 'We're right here; Where are you?' Not great: As the woman walks toward their vehicle, Ben stumbles and trips backward before grabbing on to the taillight of a waiting SUV Not so steady: Ben used the back of the vehicle to stand upright again after stumbling After grabbing his footing, Ben made his way to the backseat of the vehicle where his gal pal was already sitting. 'Sobriety is difficult and elusive for everyone struggling with addiction, and we're told Ben has acknowledged he's going to slip up from time to time,' TMZ initially reported, with Ben's representative also confirming to DailyMail.com.