Nita and Mukesh Ambani's younger son, Anant Ambani is all set to tie the knot with Radhika Merchant. The pre-wedding festivities kickstarted recently and on July 5, there was a grand sangeet night for the to-be bride and groom. Canadian singer Justin Bieber was the highlight of Anant Ambani and Radhika Merchant's star-studded sangeet night. The 'Baby' singer took to his Instagram handle to share pictures and videos from his recent visit to India.