Tom Holland Shows Off Bulging Biceps During 'Kimmel' Interview!

It looks like Tom Holland has been hitting the gym!

The 23-year-old Spider-Man actor showed off his bulging biceps during his surprise appearance on Jimmy Kimmel Live! on Thursday (February 13).

PHOTOS: Check out the latest pics of Tom Holland

Tom wasn’t originally scheduled to appear on the show, but he hysterically crashed Chris Pratt‘s interview.

Tom and Chris then chatted about their new Disney-Pixar movie Onward.

When Jimmy asked Tom if he saw it yet, he said no because of all the past times he “mistakenly” revealed spoilers about Avengers movies before the movie hit theaters.

Onward hits theaters on March 6 – check out the trailer!