Girls i need some fashion advice (guys welcome to but yer)?

Hey i need to start dressing a bit better, i am 152cms tall and weight 73 kgs so i am short and fat (trying to lose weight) now what should a 17yr old Australian Male wear to catch the ladies eyes? i have blue eyes and really silky blonde hair not long but not short my fringe comes down to my eyebrows and the sides are JUST touching my ears and the back is a little bit off from touching my collar. Now what i wear now... Single colour Billagong/Quicksilver on-up shirts with some decals on them. loose jeans or cargo pants or 3/4 jeans or cargos this is comfortable and it used to look good but i've been doing that for a while please help me out