The hottest, buffest dudes of summer are facing off in a sexy battle. Vote now!

The hottest, buffest dudes of summer are facing off in a sexy battle. Vote now!

Kellan Lutz and Jackson Rathbone have come a long way. During the last four years, the two actors have been busy shooting theTwilight Saga‘s five installments — so much so that they admitted to Celebuzz that it was hard to keep track when they were working on the final film, Breaking Dawn – Part 2.

PHOTOS: Kellan Lutz goes shirtless for beach day with his girlfriend 
PIC OF THE DAY: Don’t Kellan Lutz and Kate Upton look cozy together on set of their new joint fashion shoot!? More pics of the model-twosome here! 

PIC OF THE DAY: Don’t Kellan Lutz and Kate Upton look cozy together on set of their new joint fashion shoot!? 

More pics of the model-twosome here

Kellan Lutz turns 27 today! Wish him a Happy Birthday and check out his hottest shirtless moments!

Kellan Lutz turns 27 today! Wish him a Happy Birthday and check out his hottest shirtless moments!

Can you guess which Hollywood hunk went incognito during his workout?

Can you guess which Hollywood hunk went incognito during his workout?

On a scale of 1 to 10, how hot is this Kellan Lutz ad?

On a scale of 1 to 10, how hot is this Kellan Lutz ad?

Oh la la! Kellan Lutz strips down for a sexy Dylan George + Abbott campaign. How hot is his look? …[more photos]

Oh la la! Kellan Lutz strips down for a sexy Dylan George + Abbott campaign. How hot is his look? …[more photos]

Oh, this one hurts: Kellan Lutz’s new blonde ‘do, Yay or Nay?

Oh, this one hurts: Kellan Lutz’s new blonde ‘do, Yay or Nay?

It’s a battle of the suits! Which Twilight hottie looks better suited up?

It’s a battle of the suits! Which Twilight hottie looks better suited up?