Liam Hemsworth did push-ups to prepare for shirtless scene

Actor Liam Hemsworth says he indulged himself in a workout session to prepare for his shirtless scene in 'The Dressmaker' .

The 26-year-old actor, plays Kate Winslet's love interest in the upcoming movie, reported E! online.

"I didn't eat for weeks,"

Hemsworth

jokingly said.

The Australian actor, however, did do a mini-workout before shooting his shirtless scenes.

"I did some push-ups in my trailer. Anytime you're going to come out and take your top off, it's good to do a couple of push-ups. It's very difficult to come out and just take your clothes off."

Hemsworth says after he wrapped up the filming he celebrated with burgers and fries.

"I think I ate a lot of chips after that day. As soon as you get your shirt off scene done you're like, all right, let's head to

McDonald

's or wherever.