Celebrity Matthew vs. The World: Vote for the Hottest! It's the war of the workouts – and McConaughey has some competition (Mario! Becks!) muscling in on his shirtless reign. Who's got more flex appeal? Vote! By People Staff Published on March 13, 2007 04:00 PM Share Tweet Pin Email Trending Videos 01 of 05 MATTHEW VS. MARIO Emory/Athineos/BigAustralia/BEI; Phamous Fotos/Splash News 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. 02 of 05 MATTHEW VS. TOBEY Andy Athineos-Mike Emory/BIG AUSTRALIA/BEI; Starsurf/Splash News 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. 03 of 05 MATTHEW VS. JOSH Will Binns; Sophie John; Pacific Coast News; VIPIX/Ramey 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. 04 of 05 MATTHEW VS. DAVID Binns, John/Pacific Coast News;INF 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. 05 of 05 MATTHEW VS. OWEN Carlos Costas, Pacificcoastnews;Will Binns/Pacificcoastnews 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.