Netra Mantena, daughter of US-based billionaire Rama Raju Mantena, is making headlines ahead of her wedding to Vamsi Gadiraju. At the grand Udaipur Sangeet on Friday, Bollywood stars lit up the night. A viral video shows Ranveer Singh teaching Donald Trump Jr's girlfriend, Bettina Anderson, the steps to 'What Jhumka?', while Trump Jr cheered as the duo joyfully danced together.