The layered Mani is one of my favorite Mani's to create,and it's so simple and awesomely pretty.
You can use however use as many colors you want.
With this Mani I used four shades of purple's and Pink's.
L 2 R-Clear top coat
NYC-Lincoln Square Lavender
Sinful Colors-Pink
Loreal-Dropdead Gorgeous-Dots
Broadway-Easter Annie
L.A.Colors-Pink Bubbles
You can use however use as many colors you want.