Rachel Bilson and Adam Brody dated from 2003 to 2006, a relationship timeline you'll remember if you were a teen during this time.
The O.C. cast-mates' partnership was very important news for fans of the show, and their breakup was devastating news to anyone who truly cared.
Bilson, who is now dating SNL alumnus Bill Hader, seems to know how hard some of her fans took her long-ago split with Brody.
When InStyle posted a throwback photo of the two on its Instagram with the caption, #rachelbilson and #adambrody's breakup basically ruined high school for all of us, Bilson had an apologetic response.
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