What is it about abs on guys that we love? Everything! And Hollywood is full of them. These 13 guys have the most delicious and sexy looking abs. You're not going to leave this post without a lady-boner. Check it out after the jump:

1. Ryan Gosling

Ryan Gosling showed off his abs in Crazy Stupid Love. We didn't know he was hiding such goodness under those handsome suits.

2. Taylor Lautner

Taylor Lautner played a werewolf in the Twilight franchise, and it required his character to constantly be without a shirt.

3. Ryan Reynolds

Ryan Reynolds gets shirtless every chance he gets in movies. Who wouldn't drool over his amazing bod?

4. Cristiano Ronaldo

That's why he's in an underwear ad. Too bad those abs didn't get Portugal a ticket into the round of 16.

5. Bradley Cooper

We hardly associate Bradley Cooper with 6 packs, but he has them! This guy is fit as a fiddle.

6. Channing Tatum

Magic Mike made us love Channing Tatum even more. Because Channing Tatum without a shirt is everything you want to see, everyday.

7. Matthew McConaughey

Matthew McConaughey’s abs are epic, and it looks like he gets better looking with age too. He's got a perfectly chiseled body, to say the least.

8. Joe Manganiello

Joe Manganiello plays a werefolf on HBO’s racy series, True Blood. This guy is drop dead sexy.

9. David Beckham

David Beckham isn't only sexy because he's such a lovely dad, but he's also handsome, and has an amazing body.

10. Zac Efron

Zac Efron is getting hotter after High School Musical. He should be without a shirt, everytime.

11. Chris Hemsworth

The God of Lightning has also got another trick up his..shirt. Those abs of his are to die for. Check out his god-like body.

12. Chris Evans

He was required to buff up for Captain America, and it paid off well of course. The Captain is major hot!

13. Chris Pratt

From being comedic, to being a hero in the upcoming Guardians of the Galaxy, Chris Pratt buffed up and now looks like this. Can't say we're complaining.