Kate Walsh Says 'Happy Trails' to Ellen Pompeo Amid Her 'Grey's' Exit

Ellen Pompeo‘s farewell episode of Grey’s Anatomy is about to air and her co-star Kate Walsh is saying “happy trails” to her.

The 53-year-old actress has been on the show since it premiered in 2005 and she’s finally saying goodbye, though she does expect to pop in here and there in the future.

Kate played Dr. Addison Montgomery in seasons one through three before segueing into the spinoff series Private Practice. She returned as a special guest star in seasons 18 and 19, in addition to appearances while on the spinoff series.

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On Thursday night (February 23), Kate took to Instagram and wrote, “My buddy, my gal pal, my “sister wife” 😂…To know u is to love u @EllenPompeo, and reuniting for ur last season on @GreysABC has truly been the best fever dream. Happy trails my dear friend! ❤️😘🩺”

Here is what Ellen has had to say about her farewell from the show.