Open Question: Diet:/ help me please?

So,im having a life change... I would love to be able to have legs like this: http://www.skinnyvscurvy.com/wp-content/uploads/2009/06/kristen-stewarts-look-at-mtv-movie-awards-wow-or-eww.jpg http://www.styleite.com/wp-content/uploads/2010/05/0008ahdp.jpeg -PLEASE LOOK AT BOTH! but mine are like: http://img24.imageshack.us/img24/5720/24012142268881279513999.jpg at the top they are ridiculously large:( i walk and run and do sit ups... but i dont want to tone all of it-I WANT TO LOOSE THE FAT OFF THEM...