"Dressed To Spell" is a special event that is playable once a month (currently on the 20th of each month), which has dress requirements for your avatar bear in order to play. There are multiple tiers to complete, but only one tier can be played each month. This means that if you beat the first tier of the event on March 20th, you won't be able to play the second tier until April 20th, the third tier until May 20th, and so on.
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