Solange Knowles and Alan Ferguson, 23 Years
She’s not just Beyonce’s sister. Solange Knowles has made a name for herself making cooler-than-cool R&B and soul music. Her second husband, Alan Ferguson, has made a name for himself directing cooler-than-cool music videos of all kinds of genres, including two for Knowles herself. He’s 56 years old, 23 years older than the 33-year-old Knowles.