Possible Clues:

• She released '30' in '21
• 'Easy on Me' singer, 2021
• "Hello" Grammy winner
• "Rumour Has It" singer
• Jane Eyre's student
• “Easy on Me” singer
• She released the albums '19' and '21'
• 'Hello' singer of 2015
• A dancing Astaire
• ''Jane Eyre'' girl