See what highlighting and contour can do? Why can't every girl know this? (tip: when you do highlight and contour you dont need that much eye, lip, blush makeup as she is; that is why you do it so you have a more natural look)
Mix 5 drops of Hydrogen Peroxide tbsp of Baking Soda. Brush your teeth normally using the mixture and lett sit on your teeth for a few minutes before rinsing. Repeat daily until you notice a brighter, whiter smile.