Boxing Day caps of a big year for Pinnock - in May she made history as part of the first girl band to ever win the best British group prize at the Brit Awards, and in her personal life she's become a mother - welcoming twins with her fiance Andre Gray in August.
"It was super scary, but I loved every second of it, and for me, I feel like I definitely have the acting bug now.
"I'm the luckiest man, at least in Britain - that's what it feels like, it feels amazing, and it feels amazing to have gotten the cast I've gotten." "I think sometimes life has to have this kind of culmination of events that come together to present opportunity and when there are people there ready to take the opportunity, something as lucky as a good film happens," he said.