This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!

    Leighton Meester Got To Sing With Weezer

    Blair Waldorf sang with Weezer on Halloween for reasons passing understanding.

    View this video on YouTube

    I've been having a Rivers Renaissance of late, so I'm pretty jealous. Related: Fuck/Chuck/Marry--Rivers Cuomo, Spike Jonze, and Edward Norton? Please share your thoughts.