Inside the marriage of Treasury Secretary Steve Mnuchin and Louise Linton, who have an 18-year age gap, live in an opulent mansion, and were married by Vice President Mike Pence

• US Treasury Secretary Steve Mnuchin is married to model-actress Louise Linton. They met in 2013 and became friends first.
• The couple live in an upscale neighborhood of Washington, D.C., and also own a home in New York City.
• Linton said their personalities are polar opposites.

US Treasury Secretary Steve Mnuchin and model-actress Louise Linton married in 2017, after meeting four years earlier at a mutual friends' wedding.

The couple, who live in an upscale neighborhood of Washington, D.C., and own a home in New York City, have both been married before.

Linton recently gave an interview to Elle magazine that included details about her relationship with Mnuchin. By Linton's admission, their personalities couldn't be more different.

Below, we captured the most fascinating details of Mnuchin and Linton's romance.