Losing Weight.

for Valentine's im planning in suprising my so with a hotel out of town. the hotel has a garden tub in the room, i want to buy nore lingerie, but i want to look amazing when he sees me, he hasnt seen me naked, yet bc im very insecure and he has been helping me with that. but anyway im about 5 ft 5 weighing almost 200 pounds. i was never this big before i was 130. but i quit exercising and eating right. any tips on losing weight quick?? pills yall took that helped and what exercises && smoothings yall tried? i want a flat tummy, and tone up my ass and get rid of this back fat.