BBC EastEnders actress Tilly Keeper (Louise Mitchell) will have a starring role in the upcoming series of Netflix thriller, You. Tilly, 25, posted the new trailer for series four, which dropped this week, on her Instagram together with the caption: "Hello, @younetflix… YOU Season 4 Part 1 premieres February 10, Part 2 premieres March 10 #TUDUM." The ex Albert Square resident who played Phil Mitchell's daughter is putting the Vic far behind her and will play Lady Phoebe, an aristocratic socialite, in the new series of the twisted drama starring Penn Badgley.Tilly joined EastEnders back in 2016 and will feature in the fourth season of the immensely addictive psychological thriller, which is has been filmed in the UK this time as opposed to its usual location in the States - a world away from Albert Square.