Nicole Scherzinger Trashed at Simon Cowell's Bash

10/6/2016 6:45 AM PDT

Nicole Scherzinger was 3 sheets as she left Simon Cowell's 57th birthday bash Wednesday night in London.

Nicole was holding on for dear life to Simon's baby mama Lauren Silverman.

You can always tell how good the party was by the tightness of a friend's grip.