Ben Affleck Utility Belt FAIL! Batman Nearly Drops Trou

8/4/2016 6:47 AM PDT

Ben Affleck Has Utility Belt FAIL

Ben Affleck's out of the loop in London.

The usually suave Affleck looked a hot mess Wednesday night rushing into the "Suicide Squad" premiere after-party -- belt askew, fly open and pants barely hanging on. 

His face says it all.