How to lose fat or at least make my smaller?

I am a figure skater with a size 32-34 B ,I know that is pretty small but I want to look like yu na kim cos,when i wear my costumes or any skimpy clothes,i kinda attract a lot of attention towards my and i dont really like that.Ps:I am 5ft1,43 kg. Pss:Pls dont tell me just to be happy,i already know that one and i really dont like it.