Jason Segel brought more than just himself to the Late Show With David Letterman — it looked like he brought his entire wardrobe!

The actor obviously likes to have his choices and is not one to just rely on just one suit.

OK! GALLERY: EMILY BLUNT, JASON SEGEL & MORE COME OUT FOR THE FIVE-YEAR ENGAGEMENT PREMIERE IN NYC

Jason was on the talk show to promote his new flick, The Five-Year Engagement, in which he co-stars with Emily Blunt, and he admitted that he actually had to lose weight for the role.

OK! GALLERY: JASON SEGEL STRIKES A SEXY POSE IN HIS CARDIGAN

"I was told that it had to be conceivable that Emily Blunt would ever choose me to be her husband. I lost a good 35 pounds, and I didn't enjoy it!"

Well, we think Jason looks pretty great! And we bet his new rumored girlfriend, Michelle Williams, agrees!