'Biggest Loser' Host Bob Harper Shares Shirtless Selfie Following Heart Attack: 'On the Road to Recovery'

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Bob Harper is "on the road to recovery."
Just one day after revealing he had suffered a heart attack, the 51-year-old Biggest Loser host took to Instagram to share an update on his health.
WATCH: Bob Harper Confirms He Suffered a Heart Attack, Says He's 'Feeling Better'
"I'm required to wear these monitors to see what my heart is doing throughout the day," he explained. "I feel like a robot from WESTWORLD."
"Thank you all for your kindness," he continued. "You have no idea how much it helps."
Harper originally announced the news via social media with a photo snapped from his hospital bed, which also featured his beloved dog, "nurse" Karl, by his side.
"Well I guess you all heard what happened. Two weeks ago yesterday I had a heart attack," he revealed. "I am feeling better. Just taking it easy."
"KARL has been a great nurse," he added. "I want to thank everyone for the outpouring of messages and support. It feels good to be cared about. I've been home for 8 days now. Again, THANK YOU SO MUCH!! I'm lucky to have such good friends and family to take care of me right now."
Hear more on his health scare in the video below.
PHOTOS: Stars Post Pics From Hospitals and Doctors' Offices