Possible Clues:

• "Pillowtalk" singer
• One-named 'Pillowtalk' singer
• One-named "Pillowtalk" singer
• 'Pillowtalk' singer Malik
• Singer of the 2016 #1 hit “Pillowtalk”
• Malik formerly of One Direction
• One-named singer with the 2016 #1 hit 'Pillowtalk'