Kellan Lutz Shows Off His Loin

6/16/2010 2:08 PM PDT BY TMZ STAFF
Consistently shirtless "Twilight" stud Taylor Lautner Kellan Lutz definitely measured up ... when getting his loincloth sized on the Canadian set of his new non-Vampire flick "Immortals" on Tuesday.

In the film, the buff 25-year-old plays the Greek god Poseidon. What a stretch!