American actress, at the age of seven, she moved from Ukraine to Los Angeles with her family. After being enrolled in acting classes as an after-school activity, she was soon discovered by an agent. She appeared in several television series and commercials, before acquiring her first significant role prior to her 15th birthday, playing Jackie Burkhart on the television series That ’70s Show. A year later, she was cast as the voice of Meg Griffin on the animated series Family Guy.
Her breakout film role came in 2008, playing Rachel Jansen in Forgetting Sarah Marshall. Subsequent film roles included Mona Sax in Max Payne, Solara in The Book of Eli, Jamie in Friends with Benefits, and Lori in Ted.
At the age of 18, she began a relationship with actor Macaulay Culkin that lasted eight years.