Hopeing for a change by the end of the summer....what do y'all think?

ok i started a diet in which consists of only drinking water if im thirsty, i eat nothing white [bread, tortillas, flour, potatoes, rice, etc] unless its wheat, i don't eat passed 9 p.m. anymore, and when i get hungry in between meals i eat fruit, i cut out all the sugar [zebra cakes, oreos, chocolate chip cookies, etc.]....and ive also started working out everyday.i'll either do the P90X workout or Tae Bo.basically what im asking is, will i lose weight by the end of the summer?any reply to this will help me greatly..