The 46-year-old actress was joined at the event by Harry Connick Jr., who brought along his daughter Georgia, Jim Parsons, Gretchen Mol, Marg Helgenberger, Corey Stoll with his fiancee Nadia Bowers and more!
Harry and Debra met up on the red carpet and later, Harry and his fellow American Idol judge Jennifer Lopez took photos together backstage at the show.
FYI: Gretchen is wearing a Sophie Theallet dress. Jim is wearing an Ermenegildo Zegna suit and Louis Leeman shoes. Marg is wearing a Marchesa dress.