ET was on the set of The Grinder as Rob Lowe's son John made a guest star appearance.
Get ready for some big names on the small screen this fall!
TV vets are back on TV this fall! We've got six stars to get excited about, plus ... the Muppets!
The 'Grinder' star opens up to ET about staying handsome and working with family.
Rob Lowe has a heck of a lot going on - but it's not what you think!
Rob Lowe geeks out with ETonline's Ashley Crossan, revealing he was on set of the original 'Star Wars' film.
Rob Lowe is a huge 'Star Wars' fan!
ETonline is with 'The Grinder' star Rob Lowe at Comic-Con. He reacts to fans thinking he might be on the dating app Grindr.
The 22-year-old singer stressed, 'I have actually never been prouder to be an American.'
Rob Lowe explains his tweets slamming Ariana Grande's donut apology.
The 51-year-old actor jokes that maybe 'They'll kill [Ariana] earlier' on 'Scream Queens'.
The 'Parks and Rec' star wants the world to know that he's not ready to forgive Ariana, and that he loves America.
The former 'Parks and Rec' star went on Twitter to suggest that the 22-year-old singer's apology wasn't genuine.
It's been 30 years since the debut of St. Elmo's Fire and ET was on set with the cast.