6. Sofia Vergara & Joe Manganiello

Jessica Biel's acting career, her investments and assets have earned around 20 million dollars. This is a lot lower than Justin Timberlake, who has an estimated wealth in the region of $250 million. The couple started dating in 2012, and got married five years after. They also own a minor share of the NBA's Memphis Grizzlies, which adds to their wealth. Their financial responsibilities are impressive, despite the gap between their net worth.