Olivia "Liv" Rooney (played by Dove Cameron) is one of a pair of identical twins of the Rooney family. She is the eldest child of the family and older sister to Joey and Parker. Liv left the family for four years, beginning at the age of 11, to star in a popular television program, "Sing It Loud!", to which she continually refers. She also stars as Tristan Lycanth in Space Werewolves as well as Tess in Voltage. She is very ditzy and girly, she loves shoes and she’s one day older than Maddie.