Princess Charlotte has revealed herself as the royal family's biggest Taylor Swift fan, eagerly attending the singer's concert in London alongside her brother, Prince George, to celebrate their dad's birthday. Sadly, their mom, Kate Middleton, undergoing cancer treatment, couldn't attend. After the concert, Swift and her boyfriend met with the royals backstage, with the source praising Charlotte and George for understanding their luck in meeting Swift. Despite his viral "dad dancing" moment, Prince William is focused on his family during this challenging time. Middleton recently made her first public appearance since revealing her cancer diagnosis, emphasizing the importance of patience and listening to her body while continuing treatment. Charlotte's enthusiasm for Taylor Swift provides a bright spot amid Middleton's ongoing health battle.