(Fitness) Can I get buff in 4 weeks?

I'm 16 years old, 5"6, 145 pounds and wondering if I can get 6 pack and be as ripped as this guy.... http://real.theoffside.com/files/2009/06/cristiano_ronaldo_pepe_071.jpg ... in four weeks? I wouldnt say I'm fat, but I'm not skinny either...thanks