Mike Tyson Joins Neil Patrick Harris For Tony Awards Opening Ceremony (VIDEO)

WATCH: What Exactly Is Mike Tyson Up To?

Former boxing champ Mike Tyson , once again, swapped the ring for the stage on Sunday night, as he strutted his stuff during the opening of the Tony Awards.

The annual theatre awards, which took place at Radio City Music Hall in New York, were led by four-time host and general theatre darling, Neil Patrick Harris.

But Tyson, who last summer performed a one-man play with a brief but impressive run of sold out performances on Broadway billed as 'Mike Tyson: Undisputed Truth', was on hand for a quick cameo appearance in which he showed he's not quite as nimble on his feet as some of his thespian peers.

Watch Tyson take over the Tony's in the video above.

The three-hour long ceremony featured performances from some of the biggest Broadway shows of the year, as well as a bevy of Hollywood cameos from nominees and presenters like Tom Hanks, Scarlett Johansson and Zachary Quinto.

See all the picture from the night below after the winner's list...

Top winners at the 2013 American Theatre Wing's Tony Awards, announced Sunday:

Best Play: "Vanya and Sonia and Masha and Spike."

Best Musical: "Kinky Boots."

Best Book of a Musical: "Matilda the Musical."

Best Original Score (Music and/or Lyrics) Written for the Theater: "Kinky Boots."

Best Revival of a Play: "Who's Afraid of Virginia Woolf?"

Best Revival of a Musical: "Pippin."

Best Performance by an Actor in a Leading Role in a Play: Tracy Letts, "Who's Afraid of Virginia Woolf?"

Best Performance by an Actress in Leading Role in a Play: Cicely Tyson, "The Trip to Bountiful."

Best Performance by an Actor in a Leading Role in a Musical: Billy Porter, "Kinky Boots."

Best Performance by an Actress in a Leading Role in a Musical: Patina Miller, "Pippin."

Best Performance by an Actor in a Featured Role in a Play: Courtney B. Vance, "Lucky Guy."

Best Performance by an Actress in a Featured Role in a Play: Judith Light, "The Assembled Parties."

Best Performance by an Actor in a Featured Role in a Musical: Gabriel Ebert, "Matilda the Musical."

Best Performance by an Actress in a Featured Role in a Musical: Andrea Martin, "Pippin."

Tony Awards 2013

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