Ashley was born in London. Her father is of half Nigerian and half Swiss (Swiss-German) descent. Her mother is of English background.
She attended the Royal Academy of Dramatic Art in London.
(June 17, 2012) Married her boyfriend of 4 years Iddo Goldberg following a 3-month-long engagement.
She married Iddo Goldberg in June 2012.
She co-starred with Megan Fox in the 2006 romantic comedy How to Lose Friends and Alienate People.
She starred in Secret Diary of a Call Girl from 2007 to 2010.
She played social climber Ashley Davenport on the popular TV show Revenge and also earned roles in the series Bedlam and Salem.
Cousin of Archie Madekwe.