Noah Cyrus has been bouncing it in a braless crop top while turning legal. The singer and sister to Miley Cyrus is officially 21 today, with stories on her Instagram documenting everything from her infant years to the grown-up snaps, even including mom Tish Cyrus. Noah, who made 2020 headlines from her sheer CMT Music Awards bodysuit to being nominated for a Grammy, is now all grown-up and her video today definitely wasn't going little girl. Check it out below.