Bill Gates says his divorce from Melinda French Gates is his biggest regret, but he's moved on and is enjoying spending time with his girlfriend Paula Hurd.

Melinda French Gates is a tech-savvy business woman, devoted mother and billionaire with a pledge to and passion for giving. And though she first made a name for herself alongside her former husband, Microsoft co-founder Bill Gates, she continues to make an impact in the spotlight without him.

Bill Gates makes rare comments about his relationship with Paula Hurd, three years after divorce from ex-wife Melinda French Gates.