Rebel Melanie Elizabeth Wilson[4] (born c. February 1980) is an Australian stand-up comedian, actress, writer, and entrepreneur. She began appearing as Toula in the SBS comedy series Pizza and the sketch comedy series The Wedge. In 2008, Wilson wrote, produced and starred in the musical comedy series Bogan Pride. The following year, she won the Tropfest Best Actress award for her role in Bargain and made a guest appearance in City Homicide. Shortly after moving to the United States, Wilson was cast as Brynn in the feature film Bridesmaids.

She also appeared in A Few Best Men, What to Expect When You're Expecting, and Struck by Lightning, leading Variety to name her one of their "Top Ten Comics to Watch for 2011". Wilson also appeared as Becky in Bachelorette, and starred in the musical films Pitch Perfect and Pitch Perfect 2 as Fat Amy, a role that earned her several award nominations. Wilson then created and starred in Super Fun Night, a television comedy that aired for one season on ABC.