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We only got a glimpse of Kellan Lutz‘s underwear (yes, he was wearing Calvin Klein) when he attended the launch of New Tide Plus Febreze Freshness Sport at The Recreation Deck at The W South Beach earlier today.

He doesn’t look to shabby in a pair of jeans either. Jeans are dear to Kellan’s heart, along with his supporting of DoSomething.org and Aeropostale’s Teens for Jeans campaign (watch the video of Kellan visiting a teen homeless shelter after the jump), which benefits homeless teens in the US, Canada and Haiti. Check out the Help Haiti T-shirt that Kellan wore. Gotta love a caring hunk.

Kellan also participated in the Celebrity Beach Ball tournament along with Twilight co-star Taylor Lautner.