She strongly resembles her older sister, Honeysuckle Weeks. They costarred in Rag Nymph (1997), an adaptation of the Catherine Cookson novel, "The Rag Nymph", playing older and younger versions of the main character.
Studied Art History at the Courtauld Institute, London.
There is a false rumor that she has a husband "Kit Frederiksen" (supposedly married 2012) and twin sons (supposedly born 2013). They do not exist. A picture of her supposed husband shows actor Ben Feldman who co-starred with her in As Above, So Below (2014) . Weeks even tweeted about it in 2019.
A portrait of her hung in the small room at the Royal Academy Summer Exhibition, which opened on June 10, 2006.