1. The Aviator (2004): Stefani played the role of Jean Harlow, a famous Hollywood actress of the 1930s and 1940s.
2. Zoolander (2001): Stefani made a brief cameo appearance in this comedy film, playing herself as a fashion designer.
3. Inside Daisy Clover (1965): Stefani had a small uncredited role as a background singer in this film.
4. The Aristocrats (2005): Stefani appeared in a segment of this documentary film, which features comedians telling the Aristocrats joke.
5. Gossip Girl (TV Series): Stefani guest-starred in two episodes of the popular teen drama series, playing a character named Isabelle "Izzy" Briggs.
6. Trolls (2016): Stefani voiced the character of DJ Suki in this animated film, and also contributed songs to the movie's soundtrack.