watchgossip.com synopsis: Vannessa desperately trying to have her mom's approval, teams up with Blair to do the honor of delivering the freshman taost at NYU, but what will be the price she has to pay? Dan takes Olivia to meet Rufus and Lily, which leads to all sorts of problems for the new couple. Meanwhile, Serena and Nate team up to help Carter Baizen. Vanessa hopes to impress her mother (Gina Torres) by delivering NYU's freshman toast, but she has to compete with Blair to win this honor ...