Actor Liam Hemsworth walked his first red carpet on Tuesday since splitting from Miley Cyrus and ending their 15-month engagement.

The 23-year-old Aussie smiled for the cameras at the celebration of the Hugo Boss Columbus Circle flagship opening, featuring the premiere of the Anthropocene by Marco Brambilla video installation, in New York City.

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He posed in a black fitted suit with stripped shirt, black tie and white pocket square. An eyewitness told Us Weekly that the Hunger Games: Catching Fire star was "in great spirits" at the event and happily posed with fellow attendee Josh Duhamel. The insider added that the two actors were talking and laughing inside the event. Hemsworth also posed for photos with fans and party guests when asked.

See photos here from the Sept. 24 event. 

He took time out from filming The Hunger Games: Mockingjay in Atlanta to head up to NYC for the event. At the celebration there was no sign of Eiza Gonzalez, the Mexican actress he was spotted kissing in LA a few days after he and Cyrus confirmed that they had broken up on Sept. 16. The former couple met on the set of their 2010 film The Last Song and were together for three years. Hemsworth proposed to the We Can't Stop singer in the summer of 2012.

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Cyrus performed at the iHeart Radio Music Festival on Sept. 21 and cried on stage during her performance of Wrecking Ball. She had mascara running down her face as she sang her new single, not long after it was announced that she partied ways with Hemsworth. Cyrus never addressed the emotional set by after she left the stage, fans went on Twitter and called the performance the highlight of the day. 

Tags: Liam Hemsworth the hunger games catching fire Miley Cyrus