IN CASE YOU MISSED IT: Madonna claims 'ageism and misogyny' are behind criticism of her Grammys appearance

The Vogue singer took to the stage on Sunday to introduce Sam Smith and Kim Petras' performance of their collaboration Unholy. Many people subsequently took to social media to remark upon her changed appearance and speculate if she had undergone plastic surgery. Addressing the discussion around her face in an Instagram post on Tuesday, Madonna wrote "Instead of focusing on what I said in my speech which was about giving thanks for the fearlessness of artists like Sam and Kim-..."