![Rob Lowe, 56, goes shirtless while surfing in Santa Barbara with his son Matthew | Daily Mail Online Rob Lowe, 56, goes shirtless while surfing in Santa Barbara with his son Matthew | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/06/14/20/29602192-0-image-a-110_1592162452442.jpg)
Rob Lowe, 56, goes shirtless while surfing in Santa Barbara with his son Matthew | Daily Mail Online
![Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/24/05/32302328-8657453-image-m-53_1598244051172.jpg)
Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online
![Rob Lowe, 55, proves he's a perennial hunk while working out shirtless on Instagram | Daily Mail Online Rob Lowe, 55, proves he's a perennial hunk while working out shirtless on Instagram | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/04/10/04/12080104-0-image-a-31_1554865229719.jpg)
Rob Lowe, 55, proves he's a perennial hunk while working out shirtless on Instagram | Daily Mail Online
![Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/24/05/32302332-8657453-image-m-59_1598244165465.jpg)
Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online
Atkins diet: Secret behind Rob Lowe's ageless body | Photo | news.com.au — Australia's leading news site
![Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/24/05/32302330-8657453-image-m-55_1598244076599.jpg)
Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online
![Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/24/05/32302336-8657453-image-m-57_1598244123875.jpg)
Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online
![Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online Rob Lowe, 56, shows off his toned beach body and tan while shirtless on the sand in Santa Barbara | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/24/06/32303886-0-image-a-66_1598246913189.jpg)