Was I the only one who almost didn't recognize Zach Galifianakis at the SAG Awards last night?

My TV sat paused on the Screen Actors Guild Awards for a good seventeen minutes last night as I stared in disbelief. Not because "Birdman" won the Producers Guild Award, but because I hardly recognized Zach Galifianakis. We've always known Zach to be the fun-loving, chubby guy, but last night he was anything but.

Well, he was still fun-loving... but at lot less chubby.

Zach did not share how much weight he has actually lost, but it looks significant. Maybe 50 pounds?

The picture above on the left is Zach at a red carpet event for "The Hangover" in 2011. The one on the right is from last night's award show.