The big birthday bash for Mickey and friends kicked off at noon in front of Sleeping Beauty Castle for visitors and Disney fanatics at the park to enjoy.
The party featured exactly 62 Disney characters, who gathered to sing happy birthday. Every character represented each year Disneyland has been celebrated as the "Happiest Place on Earth."
MORE: This Day in History: Disneyland opened 62 years ago today
Sunday also marked the debut of the re-imagined Fantasmic show, which will have new scenes inspired by Disney classics like "Aladdin" and "The Lion King."
Disneyland is the only theme park designed and built under the direct supervision of Walt Disney. The park was opened on Sunday, July 17, 1955.
The Walt Disney Company is the parent company of this station.