Last night, Chace joined his sister Candice and her fiancé Tony for a private dinner party at the Audi Dallas Forum, along with his parents.
"I'm very excited," he told me last night about his younger sister's engagement. "I'm very happy that she's happy."
As for how he feels specifically about the Dallas Cowboys quarterback, Chace (who once dated Romo's ex Carrie Underwood) says...
"I guess he's okay!" he joked. "I mean, I taught him everything he knows."
Tony and Candice were all smiles during dinner, as they held hands and looked happy together. And while Chace was at their table, he kept busy talking to his Gossip Girl pal Jessica Szohr.
Another happy couple at the Audi dinner was Lea Michele and her beau Theo Stockman.
The Glee starlet, who belted out America the Beautiful at today's big game, hung close to her honey for the most part and was joined by her family, as well. She briefly chatted with costars Matthew Morrison and Jenna Ushkowitz before calling it an early night.