Help me lose weight fast?

I basically HATE the size of my legs, that's where i gain almost ALL of my weight. It is really bad. i mean- i have dimples in my knees!!! Its simply horrible! And i bought these jean shorts thinking "Oh they're SOO cute!" But then i forgot about my legs. :I But i dont just want to lose weight in my legs i want to lose weight in my stomache and face. Ya know. EVERYWHERE!! xD So. any ideas?