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 got a role in the Houston Metropolitan Dance Company's production of The Nutcracker at age ten.
She appeared in three episodes of the Disney series Lizzie McGuire, a show in which her sister Hilary played the title character.
She dated Brody Jenner in 2007. In 2014, she announced her engagement to Matt Rosenberg and they welcomed a daughter, Ryan Ava Erhard, in 2015. In January 2018, she announced they were expecting their second child together.
She played a supporting role to Jon Heder in the cult comedy Napoleon Dynamite.