Career
Moynihan began modelling at age 16. She trained at Manchester School of Acting. In 2006 at the age of 24 she landed the role of teenage model Ashley Webb in the British Broadcasting Corporation Three drama Drop Dead Gorgeous, with Linzey Cocker who played her fraternal twin Jade Webb.
In October 2007 she joined the Channel 4 show Hollyoaks, playing the character Beth Clement until April 2008.
She also starred in the British Broadcasting Corporation Three sitcom How Not to Live Your Life"s first series, returning for the standalone final episode three years later at Christmas 2011. She also featured in Payback Season in 2009.
In December 2010, she featured in a Christmas advert for Liverpool One.