Katherine Sinead Kelly (born 19 November 1979) is an English actress and presenter, who made her TV debut in 2003, appearing on Last of the Summer Wine. Kelly rose to prominence after portraying Becky McDonald in the ITV soap opera Coronation Street between 2006 and 2012. For this role, Kelly won multiple awards including a National Television Award for "Best Serial Drama Performance" in 2012. Since leaving Coronation Street, she has played Lady Mae in the ITV drama series Mr Selfridge (2013–2014, 2016), Leah Dale in ITV drama Cheat (2019) and a lead role in the second series of Innocent as Sally Wright (2021). Kelly is also known for her roles in Happy Valley, Class, The Night Manager (2016), Criminal: UK (2019–present), and as DI Karen Renton in the second series of Liar (2020). Early life Kelly was born in Barnsley, South Yorkshire. She grew up in both South Yorkshire and the USA. She has strong links with The Lamproom Theatre in Barnsley, established in 1998 by her father John (who is originally from Castleisland, County Kerry, Ireland), and has regularly supported fund-raising events held there. She trained at the Royal Academy of Dramatic Art with fellow students Meredith MacNeill, Leo Bill, Elliot Cowan, Laurence Fox, and actor/novelist, Anna Hope, graduating in 2001. Career Kelly starred in ITV soap opera Coronation Street as Becky McDonald from 2006 until 2012. Kelly appeared on the 2010 album, Coronation Street: Rogues, Angels, Heroes & Fools. Kelly, in character as Becky McDonald, sang the lead single from the album, If It's Too Late, which was remixed by former PWL and Stock Aitken Waterman "Mixmaster", Pete Hammond. Coronation Street. After she left Coronation Street, she starred as Miss Hardcastle in She Stoops to Conquer at the National Theatre from 24 January 2012. Kelly's first television role after leaving Coronation Street was in the 90-minute BBC Four biopic The Best Possible Taste, in which she played Lee Middleton, wife of Kenny Everett. In early 2013 she played socialite Lady Loxley in the ten part ITV drama series Mr Selfridge, later signing on to appear in the second series of the show in 2014 and its final series in 2016. Later in 2013 she joined the lead cast of The Field of Blood, based on the novel by Denise Mina. Kelly played Maloney, an ambitious woman in the "ferociously male-dominated world of 1980s newspaper journalism". Also that