Gerard Butler's Shirt Can Barely Contain His Huge Muscles!

Gerard Butler rides a motorbike around town on Sunday afternoon (March 23) in Sydney, Australia.

The 44-year-old actor is looking super buff these days and his shirt could barely contain his big muscles. Looking good, Gerry!

PHOTOS: Check out the latest pics of Gerard Butler

Gerard is currently in Sydney to work on his new movie Gods of Egypt. Over the weekend he was seen attending a performance of the opera Madame Butterfly at the Handa Opera on Sydney Harbour, according to the Herald Sun.

FYI: Gerard is wearing a Rogue henley.

10+ pictures inside of Gerard Butler riding his motorbike around town…