In 2015 she appeared in the fourth season of New Girl. In 2009 Dunn played the sister-in-law of Frank Reynolds in It's Always Sunny in Philadelphia. Her film work includes Working Girl (1988), How I Got into College (1989), Miami Blues (1990), I Love Trouble (1994), Shake, Rattle and Rock! (1994), the Last Supper (1995), Three Kings (1999), What's the Worst That Could Happen? (2001), Zoolander (2001), Max Keeble's Big Move (2001), Bruce Almighty (2003), Runaway Jury (2003), The Hebrew Hammer (2003), Love for Rent (2005), Pineapple Express (2008), My Suicide (2009), LOL (2012), Entourage (2015) and The Lost Husband (2020). In 2014, Dunn began appearing in a series of commercials for Clorox.
