Antonia Petrova the winner of Miss Bulgaria 2009, from the city of Pernik. She represented the country at Miss World 2009 which took place in December 2009. She crowned her successor Miss Bulgaria, Romina Andonova, in April 2010.Almost immediately after winning her crown, Antonia became a contestant in the third season of VIP Brother (the celebrity edition of the reality show Big Brother) in Bulgaria. She spent 14 days in the house, and then voluntarily walked.
