Ella Purnell is gripping as Rhiannon, the wallflower turned killer, in ‘Sweetpea’. The trailer and show synopsis describe Rhiannon as ‘invisible’, ‘never the centre of attention’ and ‘on the side-lines’, and people in the comments are wondering if it’s possible that someone as pretty as Ella could be invisible… @Clodagh Griffin asked the star for her thoughts on the conversation Clodagh’s full interview with now Ella Purnell is now live on our YouTube channel. Sweetpea will premiere on Sky Atlantic and NOW on October 10th. #sweetpea #ellapurnell #thefallout #yellowjackets #actress #margotrobbie #wutheringheights #interview