She is portrayed by lauren lindsey donzis.
Liv and maddie cousin ruby.
She will follow in liv s footsteps and become an actress she is portrayed by lauren lindsey donzis.
As the rooneys settle in to aunt dena s home in california liv and maddie meet their cousin ruby and joey and parker start classes at a tech school.
Trivia she portrayed young cyd in best friends whenever she is the youngest cast member in season 4 she portrays ruby the rooneys cousin in season 4 of liv and maddie she.
She is dena s daughter liv maddie joey and parker s maternal cousin and karen s niece.
The rooney s moved into her home after their house collapsed in the season three finale.
Ruby shared a room with liv and maddie and considered them her sisters.
Ruby smith is a main character of season 4 of liv and maddie.
Lauren lindsey donzis born july 28 2004 is an american actress.