Ahead of competing on season 29 of Dancing With the Stars, Kaitlyn Bristowe stripped down to just her underwear to flaunt her gym-honed abs on Monday.As the former Bachelorette star, 35, unveiled the results of her intense fitness progress over a two-week period, she opened up about focusing on her health.'I've been working so hard on my mental and physical health over the last 14 weeks,' she captioned three side-by-side images of herself throughout the process of committing herself to a combination of 'meditating, resting, working out, lifting heavy, Pilates and boxing.' Fitness first: Kaitlyn Bristowe stripped down to her underwear to flaunt impressive gym-honed abs on MondayShe joked: 'All I keep saying is 'please don't get sent home.
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