But it turns out there’s one thing about the cast of “Gossip Girl,” which premiered in 2007, that REALLY doesn’t hold up. You may not have noticed this at the time, but once you see it, you can’t unsee it — no matter how hard you try. But let’s review. Whomst’ves among us, am I right? So let us now fast forward six seasons to 2012, and the final episode of “Gossip Girl” EVER — and let’s see how (or if) the eyebrow situation has improved. I SAID GOOD DAY.