A gorgeous influencer has revealed a seatbelt saved her life when the car she was in flipped upside down during a holiday in Greece. Christina Dimitriou, 31, from the city of Dortmund, Germany, poses in undated photo. She survived a car crash while on a vacation in Greece. (@christinadimitriou_official/Newsflash) Stunner Christina Dimitriou, 31, from the city of Dortmund in Germany claimed that the seatbelt saved her life when her friend's…