Justin Bieber performed his biggest hits at billionaire heir Anant Ambani and Radhika Merchant’s pre-wedding ceremony in Mumbai over the weekend. The singer shared clips of his performance on Instagram, which included him singing 'Where Are Ü Now,' 'I'm The One' and 'Love Yourself.' An eyewitness tells ET, 'Justin was dancing and vibing to the songs all over the stage. The majority female crowd felt fangirl moments when he performed.'