LOOK: ROSS BUTLER Shares 13 Reasons To Hate The Gym During His Birthday!

13 Reasons Why star Ross Butler celebrated his 27th birthday the healthy way at the gym! But he's not going to fool around as he admitted it was the hardest workouts of his life.

The Asian-American actor shared on his Instagram story an itemized list of intense [tortures] routines presented by his fitness trainers titled, "13 Reasons To Hate Us". And by merely looking at it, Ross may have the right to hate them.

Ross also posted a snap of post-workout bod - showing everyone that the difficult exercises pay off well. If it were us, we wouldn't even get past the first 27 laps.

Send your birthday greetings to Ross Butler through the comments below!