J-Si and Part-Time Justin went to Jenna’s boxing class and had a little bit too much fun. I think he made up a new exercise… Listen and don’t miss checking out the video highlight below!

@jsi5 and @parttimejustin at my boxing class ☺️😂

A video posted by Jenna Owens (@jennapage) on Jan 16, 2016 at 7:26am PST

You probably can't tell, but boxing with @jennapage & @jsi5 really wore me out…

A photo posted by PartTime Justin (@parttimejustin) on Jan 16, 2016 at 1:28pm PST