Mezhgan Hussainy and Simon Cowell Photo

Mezhgan Hussainy is a makeup artist that works with many celebrities. She's been a part of American Idol for years.

On that program, she got close to Simon Cowell and started to date him in 2009. The couple is extremely serious, as talk of marriage and children continues to swirl.

Hussainy major break came when she was asked to work as the makeup artist to actor, John O'Hurley on the game show, "To Tell The Truth." She's been a success ever since.