Step right up and check out Luke, Tim, Brett and more showing off their flex appeal
Credit: Rick Diamond/Getty
Updated: Monday Nov 03, 2014 | 06:00 AM EST
By: Katie Kauss
More from PEOPLE
See More News
As these Hollywood hunks prove, they put hard work into their mass appeal
7 of 13
With baby boy making five, it's no wonder Bentley sports some serious muscles – he's been roughhousing with three little rascals at home!
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.