How can I lose weight?

I've lose 8 pounds, I'm 5 foot 1. I used to weigh 108. Now iw weigh 100. I look skinnier but I want to lose even more weight. Ive been still eating healthy and exercising but it just isn't working. I want to lose 5 more pounds. Please help! I really wanna look like celebrities like Paris Hilton or Selena Gomez. Thanks for anything!