‘Gossip Girl’ reboot trailer features fashion, mystery and a diverse new cast

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Welcome back, Upper East Siders!

HBO Max has dropped the official trailer for the “Gossip Girl” reboot.

Formerly one of the biggest hits ever spawned from the CW network -- debuting in 2007 and running for six seasons -- the trailer of the reboot promises more delicious Big Apple privileged youth salaciousness for fans of the original series.

And they’re obviously looking to nab newer, younger fans too -- the main hook has gone from the narrator spilling secrets via a blog to now using Instagram.

From the looks of the trailer, this re-start feels a little darker in tone, which often happens with reboots of “vintage” dramas. But the trendy