British actress-singer Sofia Hayat, who is the next 'Bigg Boss' wild card entry, enters the controversial show Bigg Boss 7 and feels that participating in the celebrity reality show will be an once-in-a-lifetime experience for her. br br London born Sofia is the new member to the caravan section of the show created recently after the merger of the house's two sections -- heaven and hell. Actor Ajaz Khan and model Candy Brar are already a part of caravan section of the house. br br Sofia has no clue about the show as she has not watched a single episode of it. But she considers this to be her plus point because she has no pre-conceived notions about anybody. The bombshell also feels that her stint in the show will allow her to recover from her split with investment banker boyfriend.