1 of 5
MATTHEW VS. MARIO
While filming Fool's Gold Down Under, onetime Sexiest Man Alive Matthew McConaughey has been giving Queensland beachgoers a daily dose of his shirtless sun worship. Meanwhile in L.A., Dancing with the Stars runner-up Mario Lopez is giving him a run – for the hottest biceps.
2 of 5
MATTHEW VS. TOBEY
McConaughey shows off how to push off some Queensland waves – all in preparation for his upcoming movie Surfer Dude! But Spidey has some sweet moves, too – which Maguire demonstrates while scaling the Maui waves on a boogie board.
3 of 5
MATTHEW VS. JOSH
McConaughey even flexes his muscles when he's just tossing a Frisbee on the beach, but Las Vegas star Duhamel is just as game in his downtime – for a round of golf during a Mexican getaway.
4 of 5
MATTHEW VS. DAVID
McConaughey finds his inner Om in the waters of Queensland during a yoga session – a stance Beckham uses to bring the Spanish crowd to their feet after leading his team Real Madrid to a victory.
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MATTHEW VS. OWEN
McConaughey gets a cardio blast while running along Australia's Gold Coast. Days later, Wilson takes a page out of his good pal's workout book and breaks into a run after a dip in the Maui surf.