Who are famous people in pairs?

It's tricky to define "famous people in pairs" since it can mean a lot of things. Do you mean:

* Partners/Couples: Like Beyonce and Jay-Z, Brad Pitt and Angelina Jolie, or Tom Hanks and Rita Wilson?

* Famous duos: Like the comedy duo Abbott and Costello, the musical duo Simon and Garfunkel, or the writing duo Stephen King and Peter Straub?

* Famous siblings: Like the Olsen twins, the Jonas Brothers, or the Williams sisters?

* Famous friends: Like Leonardo DiCaprio and Tobey Maguire, or Oprah Winfrey and Gayle King?

Please clarify your request! Tell me what you're looking for, and I can give you a list of famous people in pairs.