While it's easy to ask your friends, co-workers, or even a stranger on the street what nail polish they're wearing, celebrities aren't so accessible. So we've used our investigative skills to track down some of the best lacquer colors we've spotted on the red carpet lately. From Jessica Biel's vibrant blue to Olivia Palermo's go-to red, we can't wait to take these shades for a test-drive on our own fingers.Biel wears Essie Nail Polish ($8) in Aruba Blue.
Blake Lively wears Zoya Nail Polish ($8) in Carey.
Palermo wears Essie Nail Polish ($8) in Clambake.
January Jones wears Chanel Le Vernis Nail Colour ($26) in Malice.
Ashley Madekwe wears Bio Sculpture Gel Color in Honey Beige #2094.
Photos courtesy of: Ashley Madekwe and Jessica Biel, Wire Image; January Jones, Getty Images; Olivia Palermo, Splash News; Blake Lively, Pacific Coast News and Splash News.