Dear Gossip Girl, Nate Archibald is even hotter than we were led to believe.  Chace Crawford's abs and...well, frankly, his package were on full display as he hung out in Mexico over the weekend with sister Candice and her husband, Dallas Cowboys quarterback Tony Romo. Maybe Chace needed a well-deserved break after finally joining Twitter last week. His only tweet so far states the he had been drafting his first post for the last nine years, and we can only imagine how draining that could be. "I was scouring the MySpace desert like mad max," Crawford wrote. "Didnt think this Twitter thing would take off." (Verdict: He's funny and needs to tweet...