Rob Lowe Posts a Shirtless Selfie on His 52nd Birthday!

Rob Lowe goes shirtless in a selfie with his son Johnny to celebrate his 52nd birthday.

“Celebrating my #birthday with a #workout and @johnnylowe Whatever your age, be your best! #men #results,” the actor wrote on his Instagram account.

PHOTOS: Check out the latest pics of Rob Lowe

Rob celebrated his special day later that night by going to a Bruce Springsteen concert and he got to meet the legend backstage.

“Spent my birthday with one of my faves #legend #rock #inspiration,” Rob captioned the below pic.