Article continues below advertisementDonald Trump Jr. and his girlfriend, Bettina Anderson, were among the guests at a billionaire couple's extravagant wedding over the weekend. The elaborate nuptials of Netra Mantena, the daughter of Indian-American pharmaceutical billionaire Rama Raju Mantena and Vamsi Gadiraju, a tech entrepreneur, was a three-day event that kicked off on Friday, November 21. Anderson, 38, took to her Instagram Stories on Tuesday, November 25, to share photos of herself and Trump Jr., 47, dressed up in different outfits and looking in love during the festivities.