Her character, Addison Shepherd, was first introduced when the double board-certified OB/GYN appeared on the series trying to save her marriage to Derek Shepherd (played by Patrick Dempsey).

‘Grey’s Anatomy’ stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, and Kate Walsh as Addison Shepherd. | Craig Sjodin/Walt Disney Television via Getty Images Grey’s ...

Longtime Grey's fans will remember that Addison was previously married to Derek Shepherd (Patrick Dempsey), and her cheating on him led to him moving to Seattle, where he of course met Meredith.

‘Grey’s Anatomy’: Addison’s Callback To Her Iconic Season 1 Moment Is Epic — Watch Promo Addison Montgomery is coming back to Grey-Sloan! In the preview of the Oct. 14 episode of 'Grey's ...

With that line, the striking Dr. Addison Shepherd entered TV infamy. It was at the close of the first season of Grey’s Anatomy that Addison marched toward her estranged spouse, Dr. Derek ...

Addison struggles with the absence of her ex-husband, Patrick Dempsey's Derek Shepherd, from Grey Sloan after reconnecting with Meredith during a complicated surgery.

"Grey's Anatomy" stars Ellen Pompeo and Kate Walsh reminisce on an iconic scene from the show: when Addison Shepherd made her appearance.

When actress Kate Walsh (Dr. Addison Montgomery Shepherd on Grey's Anatomy) appeared on Ellen Degeneres' show last week, Ellen didn't feel like waiting for the upfront announcement of whether ...

“Private Practice,” the tentative title for the drama featuring Dr. Addison Shepherd of “Grey’s Anatomy,” was considered an odds-on favorite for the network’s fall schedule being ...

Derek “McDreamy” Shepherd may be the dream doctor of Grey’s Anatomy, but he’s not always been a great person, and maybe he should get a new nickname.

‘Grey’s Anatomy’ Season 18 updates fans on whether Addison Montgomery and Meredith Grey are really friends now -- here’s what happened in episode 3.