Camila Cabello attends the MTV Video Music Awards on September 12, 2021 in New York. Evan Agostini/Invision/AP/ShutterstockDeals and steals! Camila Cabello may have looked like a million bucks on the MTV Video Music Awards red carpet, but her go-to glam products started at just $9. The 24-year-old singer stepped on the scene on Sunday, September…