Mickey Mouse is 90 years old, can you believe?! After bringing joy to so many lives over the years, Disney's biggest stars of today are coming out of the woodwork to celebrate the life and legacy of an American icon. Among those celebrating the cherished anthropomorphic mascot is Raven's Home star Issac Ryan Brown who says that Mickey helped him out in a big way.

"My favorite Mickey memory is when I came here [to Disneyland] when I was really little and you helped me walk. It was the first time I ever walked in my life and it was all you man!" he recalls in the video.

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Coop & Cami Asks the World star Olivia Sanabia reveals that her first meeting with Mickey left her starstruck. "We took a picture in front of the castle and you signed my autograph book. I just remember feeling so happy and I still have that autograph book today," she says.

Other stars wishing Mickey a happy 90th includ Descendants stars Dove Cameron, Sofia Carson, BooBoo Stewart, Cameron Boyce, and Brenna D'Amico Check out the sweet video above and let us know your favorite Mickey Mouse memory!