How to get Shiny Cake Hat Pikachu and Party Hat Pikachu in Pokemon GO?

Pokemon GO is celebrating its 7th anniversary, and they have introduced a new event in the game.

WE CAUGHT SHINY CAKE HAT PIKACHU! POKÉMON GO ANNIVERSARY EVENT 2023!

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Pokémon GO Shiny Flying Pikachu with Orange Balloons - Jeju Island, South Korea – Trade 20.000 stardust (Read Describe) - PoGoFighter

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