Donald and Melania Trump, 24 Years
First lady Melania Trump is President Donald Trump’s third wife, and is 24 years younger than him. Melania started dating Donald in 1998 while Donald was still married to his second wife Marla Maples. The two got married in 2005 and have a son together. Many notable people attended their wedding, including Diddy, Regis Philbin, and Bill and Hillary Clinton.