From USMagazine.com:

How did Kellan Lutz prep for his sexy Calvin Klein underwear ads?

“I had to stop eating so….” he joked to UsMagazine.com at the Calvin Klein collection fall 2010 party in NYC Friday. “I love candy, and I think that’s where I could be super ripped if I didn’t eat so many gummy bears. So, I cut back on those, and I just swam and boxed as much as I could.”

Lutz, 24, continued, “And I started training parts of my legs that I hardly ever trained really. I tried to bulk up to make the underwear look good.”

“I have my mom’s best friends proposing. Some are actually quite attractive, so I might hold on to those numbers and emails that are quite flattering,” joked Lutz. (What does on-again fling AnnaLynne McCord think of the ads? “[They’re] pretty sexy,” she told Us.)

Lutz says he “can’t wait” for the billboards — which also feature True Blood star Mehcad Brooks, Spanish tennis star Fernando Verdasco and Japanese athlete Hidetoshi Nakata — to hit streets March 1.

“It was always a dream of mine to have my mug, whatever it was… I didn’t think it’d be for underwear, but I’m quite happy for it. I’m just very thankful,” Lutz says. “I know it really helped Mark Wahlberg’s career, and I can only hope that I get half as much of a chance.

Full article here

Ur prep worked very well….wish u the best with the rest of ur career…can’t wait to see how it goes…

Where are the pics of his “naked ass” he keeps mentioning?