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ET was on set of the 'Biggest Loser' reboot where Bob Harper opened up about his own health journey.
The trainer is a big fan of Lizzo.
ET spoke with Harper, who worked with Michaels for years on 'The Biggest Loser,' at NBC's TCA presentation.
New episodes of the weight-loss reality series will debut on USA in 2020.
Harper shared the exciting news on Instagram on Saturday, posting a photo of their couple’s matching panther rings.
The former 'Biggest Loser' trainer is grateful to be alive.