Need Help to lose weight ...confused

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hi guys my name is princy im 5"6 weight 181lbs want to lose at least 45lbs by november my "wedding" :heart: my bmr is showing 1680 ...mfp says i should eat 1460 calories.. to lose 1lbs a week..?I burn about 200 cal by exsercise.. i used to eat all fast food and all and maybe i was eating around 3500 cal a day..As of april 20th i started to eat only 1350 cal a day ..how would u guys advice me to lose weight..?how would i do the 500 deficit if i only eat no more then 1350+200 burned cal a day..can anyone guide me pls pls.......thanks in advance:happy: