Allison Williams showed off her new engagement ring to Seth Meyers on Late Night Tuesday night, saying, “I’m obsessed with it, I stare at it a lot.” And with a ring that big, what girl wouldn’t? The 25-year-old Girls star announced her engagement to boyfriend Ricky Van Veen in late February, and everyone from Meyers to Larry King seemed to want to know what her dad, NBC anchor Brian Williams, thinks of the whole affair.