Fans of early 2000s television are in for a real treat because Marissa Cooper is joining the upcoming "The Hills" reboot!
Mischa Barton is set to join the highly-anticipated reality show, "The Hills: New Beginnings," MTV announced on Wednesday.
The actress, who has largely remained out of the spotlight recently, is, of course, best known for her role on "The O.C." from 2003 - 2006.
Barton will join Audrina Patridge, Frankie Delgado, Brody Jenner, Spencer Pratt, Heidi Montag, Stephanie Pratt, Jason Wahler, Justin "Bobby" Brescia and Whitney Port.
Those still in mourning over Marissa Cooper's tragic death can look forward to 2019, when the series is set to premiere.