If you, like me, spent the first part of quarantine watching Gossip Girl on Netflix and actually miss hearing “Good morning, Upper East Siders,” then you’re in luck. HBO’s reboot of the show has begun filming in New York City, as confirmed by a behind-the-scenes photo from the set. Variety previously reported that production would begin in the fall. A Warner Bros. spokesperson told the outlet that shooting would start in October and be set eight years after the original …