Calvin Klein Underwear Kellan Lutz Twilight

X marks the spot in Kellan's new Calvin Klein Underwear ad. Photo courtesy of Calvin Klein

We must have been really, really good in a past life. Like, Mother Teresa good.

Think about it: In the past couple of weeks, we've been blessed with Cristiano Ronaldo's mouthwatering Emporio Armani Underwear ads, David Beckham as sexy mechanic in 10 Magazine, and now, Kellan Lutz in his steamy new campaign for Calvin Klein X Underwear.

As we previously reported, the "Twilight" star is one of four hotties featured in the underwear campaign.

Lutz and his tight, white boxer-briefs are joined by actor Mehcad Brooks, Japanese soccer player Hidetoshi Nakata and Spanish tennis player Fernando Verdasco, each of whom has definitely been paid a visit by the Muscle Fairy.

"We're excited to be presenting the latest chapter of evolution in communicating Calvin Klein Underwear's iconic brand image by using four distinct personalities and leveraging them across a range of media in a bold, engaging and fun way," Robert Mazzoli, Chief Creative Officer of Calvin Klein Underwear says in a statement.

Calvin Klein Underwear Kellan Lutz Twilight

We can really sink our teeth into Kellan Lutz's new Calvin Klein Underwear ad campaign. Photos courtesy of Calvin Klein

Shot by photographer Mikael Jansson and including digital films from Darius Khondji, the new campaign will roll out in magazines' April issues, according to the company.

The initiative will include an online presence at XMarkYourSpot.com beginning the last week of February. Time to update your bookmarks!

We think all the fellas look pretty smokin', but what do you think? How does Kellan Lutz compare to Jamie Dornan, Cristiano Ronaldo to David Beckham? And which celeb guy would you like to see drop trou next? Leave a comment!

Plus, see which magazine is currently featuring Lutz's co-star Kristen Stewart.