Awkward.
In case you hadn't already noticed, Zach appeared at screening of Birdman over the weekend looking quite slim.
Getty Images / Slaven Vlasic
He told Conan O'Brien that he credited his weight loss with quitting drinking last year.
Getty Images / Slaven Vlasic
He also got married and had a baby in the past few years so he's probably just living a happy, healthy life.
Getty Images / Slaven Vlasic
So if you ask him a dumb question about his lighter figure...
Getty Images / Slaven Vlasic