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Ellen Pompeo steps out in a smart suit while celebrating the 400th episode of Grey's Anatomy
While fans have to wait for the end of the month for the Season 18 finale of Grey's Anatomy, the show celebrated a huge milestone on Thursday, with its 400th episode.Ellen Pompeo, who has played the lead character Meredith Grey since the show debuted in 2005, stepped out at the 400th episode celebration at the Dream Hotel in Hollywood on Thursday night.She was joined by a number of co-stars such as Scott Speedman, Camila Luddington, Matthew Alan, Bianca A. Santos, Abigail Spencer, Kevin McKidd and more.