Biceps. Men want them. Women love them. It is a necessity. It's not just something that makes a man look good in a shirt, or without. Whether you like it or not, you'll want to have at least some. Here are some of the hottest biceps from celebrities.

1. Ryan Reynolds

Hey girl.

2. Jamie Dornan

He's going to be in Fifty Shades of Grey.

3. Christian Bale

That's why he's Batman.

4. Liam Hemsworth

Miley's probably missing this.

5. Zac Efron

Now tapping Michelle Rodriguez.

6. Vin Diesel

This guy will make you feel safe.

7. Kellan Lutz

Puppy and biceps go together.

8. Dave Franco

The younger Franco is hot.

9. David Beckham

That's why he models for underwear.

10. Chris Evans

Captain America should really keep this body.

11. Ryan Reynolds

He's forever ripped!

12. Brad Pitt

How hot is Brad?

13. Chris Hemsworth

Yeah, we can't stop staring either.

Bonus picture: See how good those biceps look in a t-shirt.

14. Chris Pratt

From fat to fit.

Everyone wants to look good. Time to start pumping some iron.