Actress who played Summer Wheatley in the 2004 comedy feature Napoleon Dynamite and also appeared in the TV movies Love Takes Wing and Love Finds a Home. With her younger sister Hilary, she released the 2004 single "Our Lips Are Sealed" and the sisters also co-starred in the 2006 teen comedy Material Girls.
She appeared in three episodes of the Disney series Lizzie McGuire, a show in which her sister Hilary played the title character.
She played a supporting role to Jon Heder in the cult comedy Napoleon Dynamite.
She got a role in the Houston Metropolitan Dance Company's production of the Nutcracker at age ten.
She dated Brody Jenner in 2007. In 2014, she announced her engagement to Matt Rosenberg.
- The meaning of the name Duff: Dark