Meet Donald Trump Jr. and his fiancee Kimberly Guilfoyle

She was an assistant district attorney in San Francisco from 2000 to 2004. Guilfoyle married Democratic politician and future California governor Gavin Newsom and was First Lady of San Francisco during Newsom's first two years as mayor of that city. She is a member of the Republican Party and has been the girlfriend of Donald Trump Jr. since 2018.