Sam and Aaron Taylor-Johnson: 23 years
"Avengers: Age of Ultron" actor Aaron Johnson, 28, met director Sam Taylor-Wood, 52, when he starred in her movie "Nowhere Boy." He was 18 at the time. They were engaged months after meeting in 2009 and married in 2012. They changed their last name to Taylor-Johnson. The couple has two daughters, Wylda Rae and Romy Hero. Sam also has two daughters from a previous marriage.