Cyrus appeared ready to work up a sweat, flaunting her rock-hard abs in a bright red sports bra and matching short-shorts. The 24-year-old singer shaded her eyes from the sun with round-framed sunnies, and kept her platinum blond locks slicked back into a tight ponytail.
Hemsworth went super casual for the outing, sporting sunglasses, a plain white T-shirt, Nike board shorts and olive green sneakers while walking Dora.
Couples who work out together, stay together, right?
The lovebirds were later photographed getting into their Range Rover, seemingly tired out from the hike.