Rob Lowe and his son John Owen, 29, pose together for a shirtless gym selfie, calling it a "Lowe family tradition." The ...

Actor Rob Lowe, 61, flaunted his post-gym body in a shirtless photo alongside his son, John Lowe, in an Instagram post. The ...

Lowe family tradition: self indulgent shirtless gym photos,” the actor captioned the Instagram post, which garnered both ...

Rob Lowe proved that he is aging backwards in a sizzling shirtless photo taken alongside his youngest son John Owen, with the ...

Rob Lowe gave fans a glimpse of his shirtless workout at 61 as he carried on a "Lowe family tradition" with his lookalike son ...

The actor flexed his muscles next to John Owen for a photo of what his 29-year-old son called a "family tradition" of posting ...

Rob Lowe's son John, 29, is an actor just like his father, having appeared in multiple projects over the years, including ...

Rob and Johnny — who followed in his dad's footsteps and sought a career in acting — worked together on the Netflix show ...

In a delightful display of familial camaraderie, Rob Lowe and his son John “Johnny” Lowe recently shared a post-workout ...

The shameless thirst trap runs in the Lowe family, and thank God for that. Rob Lowe, 61, took to Instagram Tuesday to share a sizzling snap he took with his son John “Johnny” Lowe, 29 ...

The 'Parks and Recreation' actor shares his sons John Owen and Matthew with wife Sheryl Berkoff Rob Lowe/Instagram Rob Lowe posed shirtless with his 29-year-old son John Owen in a new photo posted ...

Rob Lowe fans went nuts over a new eye-popping photo the '80s hunk shared to Instagram on Tuesday. The 61-year-old St Elmo's Fire actor and former Brat Packer had on shorts as he stood next to his ...