Producer DJ Calvin Harris seems quite happy with how he’s looking these days. The musician-turned-underwear model shared a few tips along with a revealing shot on Instagram yesterday.

Writes Harris: “On tour but also training for next Armani shoot! Staying in a gym routine while on the road is tricky, but as long as you don’t drink, eat well, sleep enough and take one of those mad little ab rollers with u everywhere you’ll be good”

Harris has made quite a transformation over the past few years. Check out an old shot,
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