The Thor star took the moment to roast his little brother, playfully urging him to focus on his health in the coming year.
“Happy birthday @liamhemsworth hopefully this is the year you finally get in shape and take care of yourself 😂💪,” Chris, 38, wrote on Instagram, while giving Liam a discount to his fitness app Centrfit.
“To help with your transformation I’m gonna gift you 10% off a @centrfit membership #familydiscount love you.”
Mind you, the photo Chris posted was of Liam looking absolutely ripped during a gym workout.
The young Hemsworth later thanked the Avengers star for his message, saying in an Instagram video: “Special thank you to my brother Chris for giving me 10 per cent off on a Centrfit membership. I mean, what a gift! The gift of health. Really appreciate it, mate. That’s just the kick in the a– that I needed to continue on my fitness journey.”
But it seems Liam may just take his big bro up on the offer after being presented with not one but three birthday cakes.
“These cakes that I also got sent should really help on my health and fitness journey!” the birthday boy joked in a separate Instagram post.
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