Avon Nail Glitter is an easy way to glitz up your nails. Great look for formal occasions as well as just for fun.
Advertised as spooky sparkle but can also be glitzy.

Apply polish to nails and while wet dip nail into nail glitter pot, tap off excess and apply top coat. It comes in two colours: Irridesdent and Brilliant Chrome.
One sparkle pot costs $4.99