Brody Jenner, Brandon Jenner, Scott Disick and Rob Kardashian shirtless in Keeping Up With The Kardashians 10-19 "Kardashians On Vacation"

Rob Kardashian shirtless in Khloé & Lamar 1-07 "Jamie 9-1-1"

Rob Kardashian shirtless in Khloé & Lamar 1-06 "The Return of Joe Odom"

Kris Humphries, Rob Kardashian and Scott Disick shirtless in Keeping Up With The Kardashians 6-12 "Trouble In Paradise"

Kris Humphries, Rob Kardashian and Scott Disick shirtless in Keeping Up With The Kardashians 6-11 "Getting To Know You"

Lamar Odom and Rob Kardashian shirtless in Keeping Up With The Kardashians 5-07 "Match Made In Hell"

Lamar Odom, Rob Kardashian and Shengo Deane shirtless in Keeping Up With The Kardashians 5-04 "My Bodyguard"

Rob Kardashian shirtless in Keeping Up With The Kardashians 5-02 "Blind Date"

Rob Kardashian and Scott Disick shirtless in Keeping Up With The Kardashians 4-09 "Blame It On The Alcohol"

Rob Kardashian shirtless in Keeping Up With The Kardashians 4-05 "Must Love Dogs"

Rob Kardashian and Lamar Odom shirtless in Keeping Up With The Kardashians 4-00 "The Wedding"

Rob Kardashian shirtless in Keeping Up With The Kardashians 2-06 "Learning Self Defense"

Rob Kardashian shirtless in Keeping Up With The Kardashians 2-03 "Rob's New Girlfriend"

Rob Kardashian shirtless in Keeping Up With The Kardashians 1-07 "Helping Hand"

Rob Kardashian shirtless in Keeping Up With The Kardashians 1-06 "You Are So Pregnant, Dude!"