If you promise not to tell anyone, we’ll sneak you inside the Vanity Fair Oscar party. At around 11:30 p.m. on Sunday night, “Little Women” director Greta Gerwig was standing next to Noah Baumbach (OK, she was actually swaying to a Bruno Mars song). Although neither of them had won any Oscars, they should get a prize for most popular Hollywood couple as they kept getting stopped by their famous friends.