The famous actress guest-starred on a third season episode of the Disney Channel show, aptly called "Grandma-A-Rooney," playing Grandma Janice and her twin, Great-Aunt Hillary. A bunch of members of the Liv and Maddie cast have already paid respect to Patty, writing the sweetest messages about their time together.
Click through the gallery to see how the cast is honoring Patty. Send your kind words to her friends and family in the comments!
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