From the runway to main street, nail art has emerged as a democratic form of self-expression in which anyone can participate.

CNN: On main street and the runway, nail art is the new lipstick

Rounding out the random top 10 lists: best nail art.

CNN: The roundup: New York Fashion Week

Nail art is the cosmetic commodity that glitzy celebrities like Lady Gaga Katy Perry and Nicki Minaj lend their names to, the theme of gallery exhibits and glossy coffee table books.

CNN: On main street and the runway, nail art is the new lipstick

"Nail art has been around for as long as any of us can remember, but in the U.S., it started picking up and really becoming a noteworthy trend in the last five or so years, " said Sree Roy, managing editor of trade publication NAILS Magazine.

CNN: On main street and the runway, nail art is the new lipstick

The proliferation of nude-colored nail polishes can be seen as a rebellion against the wild nail art that, over the past two years, has infiltrated the polish aisle at drugstores and appeared on the hands of models for Chanel, Prabal Gurung and 3.1 Phillip Lim, among others.

WSJ: The Art of the Nude Manicure

The Art Loss Register also prevented the sale of a Mesopotamian copper foundation nail dating from 2600 B.

FORBES: Collectors Guide

There are thousands of art collectors and dog fanciers around the world ready to fight tooth and nail in the dog-eat-dog world of canine collecting.

FORBES: Barking Mad