Simple past tense and past participle of don.(verb)
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Use "donned" in a sentence
"Bristol Palin donned not one, but two looks on Monday night's "Dancing With The Stars.""
"DiDonato again donned the pants in the family for her turn at Romeo."
"The 34-year-old once again donned a penguin beak and yellow flippers to highlight the plight of penguins and how they are affected by climate change."