Home » He performs a song in memory of his departed friend, evoking deep emotions in Simon Cowell, who sheds tears. Watch Jealous by Labrinth. He performs a song in memory of his departed friend, evoking deep emotions in Simon Cowell, who sheds tears. Watch Jealous by Labrinth. Stars Author AvokadoReading 1 minViews 1.3k.Published by 07.11.2023 These extraordinary teenagers left the judges utterly amazed!