Shedonism (2015)
Episode of Younger

Liza gets to prove herself when Diana tasks her with running a book launch party for a notoriously demanding author. Maggie runs into an old crush, who's finally single, while Kelsey starts to fall for her new author, who's not. (imdb)
Cast and Information
Season: 1, Episode: 6 - Episode Guide
Directed By: Arlene Sanford
Written By: Darren Star, Dottie Dartland Zicklin, Eric Zicklin
Starring: Debi Mazar, Jane Krakowski, Hilary Duff, Thorbjørn Harr, Renée Elise Goldsberry, Miriam Shor, Paul Fitzgerald, Nico Tortorella, Sutton Foster, Tessa Albertson, Molly Bernard
Country: USA