The Cavaliers were in Los Angeles on Monday night to take on the Lakers.  That means Tristan Thompson was in town and that apparently got Kim Kardashian to show up to the game.

While Thompson was at the free throw line, Kim could be seen standing up from her courtside seat to boo Khloe’s ex and baby daddy. 

RELATED: Tristan Thompson Attends the Kardashian Christmas Eve Party

The Cavs big man had to know at least one of the Kardashians was going to show up to heckle him.

Flip the Page to see Kim booing Thompson: