Rob Lowe & John Owen Show Off Their Muscles in New Shirtless Gym Photo

Rob Lowe's son John Owen trolls him on the red carpet at Grace Point premiere in Los Angeles

Rob Lowe & Demi Moore Are “Actively Trying” To Make ‘St. Elmo’s Fire’ Sequel Happen

Rob Lowe Says Son John Owen's Acting in Unstable Season 2 Is 'Next Level' (Exclusive)