Writer/director Leslye Headland

Alison Brie, Leslye Headland and Jason Sudeikis pose for a portrait at the Village at the Lift Presented by McDonald's McCafe during the 2015 Sundance Film Festival on January 25, 2015 in Park City, Utah.

Writer/director Leslye Headland follows up the success of "Bachelorette" with "Sleeping With Other People," a smart and sensitive take on the modern romcom. She talks about her young career, writing for male characters and the Hollywood game.