How do i earn money in less than a day?

My best friend is having a birthday party on friday since her birthdays on friday, we are going to get our nails done and then go to the mall to shop. I ahve to bring money to shop but i only have $60 dollars and i want to get 3 pairs of jeans and shirts and stuff. How can i earn money in like a day!!!! ? My mom is giving me a couple of dollars but not enough