By Zoe Burrell For Daily Mail Australia
Published: 01:34 BST, 10 September 2020 | Updated: 01:36 BST, 10 September 2020
Chris Hemsworth's buff body has women around the world swooning.
But his older brother Luke is giving his Thor star sibling a run for his money, flaunting his ripped physique on social media on Thursday.
The 39-year-old Westworld star revealed his muscular torso in an eye-popping topless photograph.
Catching up to Chris? Third Hemsworth brother Luke, left, showed off his ripped physique to rival his sibling Chris Hemsworth, right, on Thursday
Posing in his backyard, the Australian actor looked hunky in nothing but a pair of black trousers.
He also wore his blonde hair slicked back and appears to have recently grown a mustache.
Luke cryptically captioned the photo with the lyrics to the first verse of Paul Simon's 'You Can Call Me Al'.
Lyrics: Luke cryptically captioned the photo with the lyrics to the