In the spirit of Valentine's Day, HuffPost remembered the presidents who had a way of professing their love for the first ladies in their lives, but one cannot leave out the first mistresses.
Washington, D.C., was recently named "America's Least Faithful City" for the second year in a row by AshleyMadison.com, a dating site for married individuals seeking affairs. Ashley Madison claimed the day after Valentine's Day was the site's busiest of the year.
Certain politicians have carried on the city's tradition of flings. On the holiday known for commemorating every significant other one might have in life, here is a look back on the scandalous extramarital affairs that steamed up the Oval Office.