Hello Kitty Anniversary 2024 Theme. Sanrio is launching an epic celebration for the upcoming 50th anniversary of the iconic hello kitty. Hello kitty will celebrate her 50th anniversary in 2024.

Renowned musician of rock band x japan has been chosen to compose the official global theme song for the popular sanrio character hello kitty, in celebration of its 50th. Sanrio is launching an epic celebration for the upcoming 50th anniversary of the iconic hello kitty.