Blake Lively & ‘Gossip Girl’ Upper East Siders Invade the West Coast! (PHOTOS)

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It looks like the Empire State meets the Golden State in an upcoming episode of Gossip Girl – Blake Lively and some of the hit CW show’s crew were spotted having some beach time in California on Thursday afternoon.

So what exactly would they being doing on the “best coast?” Visiting Serena van der Woodsen’s sick grandma? Party time? A permanent move?!We’re not really sure, but your guess is as good as ours!

Think you have a better theory of why Blake is filming scenes in California? Sound off on our Twitter and Facebook page!