Leigh-Anne Pinnock's friend Stefan Bertin has hit out at Jesy Nelson as he told fans not to listen to her first single since leaving Little Mix in December 2020.The hairdresser, who attended Leigh-Anne 30th birthday bash last week, took to his Twitter feed to make a few digs at Jesy amid reports of a feud between the pair. On 8 October, the day Jesy released the song and music video to Boyz in collaboration with Nicki Minaj, Stefan warned people away from listening to it.