Elizabeth Anne Caplan is an American actress. Her first acting role was on the television series Freaks and Geeks (1999–2000). She received wider recognition with roles in the films Mean Girls (2004) and Cloverfield (2008), she also starred on the television shows Related (2005–2006), The Class (2006–2007), and Party Down.

Bachelorette is a 2012 American comedy film written and directed by Leslye Headland, adapted from her play of the same name. It stars Kirsten Dunst, Lizzy Caplan and Isla Fisher as three troubled women who reunite for the wedding of a friend who was ridiculed in high school. The play which the film is based upon was originally written as one of Headland's cycle of "Seven Deadly Sins" plays.