Donald Trump Jr. is preparing to marry socialite Bettina Anderson sometime later this year, but the White House is not expected to host the ceremony - despite what rumors have claimed - according to multiple sources familiar with the plan. Don Jr.'s wedding Donald Trump Jr. plans to marry socialite Bettina Anderson. By: MEGA The president's eldest son, 48, recently celebrated his upcoming nuptials at a bridal shower attended by several members of the Trump family. Notably absent from the gathering was first lady Melania Trump.