Zach Galifianakis has debuted significant weight loss at his first public appearance in a year.The actor looked incredibly svelte as he attended the premiere of at the closing of the New York Film Festival on Sunday.

The 45-year-old funnyman looked dapper in a grey suit featuring fine blue checks, matching pale blue shirt and navy tie.He also sported his signature beard and jaw-length curly hair.Zach likes to maintain a low profile. Speaking of being in the spotlight, he said "I like to be an actor, and that's it... I'd rather just do my work and go home and watch ."

This isn't the first time that the America star has shed weight. He lost several pounds when he cut out alcohol in early 2013.According to IMDb, his latest film, , focuses on a washed-up actor called Riggan Thomson, played by Michael Keaton, "who once played an iconic superhero".He "must overcome his ego and family trouble as he mounts a Broadway play in a bid to reclaim his past glory. "Naomi Watts plays the protagonist's girlfriend, Lesley, a nervous actress in the play while Zach plays Jake, the play's producer, in the black comedy.

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