Whose wedding did the Bachchans attend in Mumbai?

The Bachchans attended the the wedding of family friend Yuvraj Rajan with Rhea Gandhi in the city on Sunday. Big B posted snapshots on Twitter and wrote, "Family and a wedding... they bring so many of us together for one cause to welcome the bride into the family." Snapshots of Jaya, Shweta, Abhishek, Aishwarya, Aaradhya did the rounds of social media.