Mumbai, Dec 26 : Actress Samantha Ruth Prabhu on Christmas treated her fans with her 'instant camera face.' Samantha on December 25, took to Instagram, where she posted a picture of herself looking at the camera and smiling. She is seen sitting on a chair dressed in an ivory dress with yellow light falling upon her. She wrote: 'Instant camera face.' The actress then shared another picture having a pouty expression and wrote: 'Intermittent fasting,' probably suggesting that she cannot eat outside as she is following a diet regime. Last year, Samantha had announced that she was diagnosed with dermatomyositis and had also talked about taking a break from work. On the acting front, Samantha's latest release included Kushi with Vijay Deverakonda. She will next be seen in the Indian adaptation of 'Citadel' with Varun Dhawan. /IANS