There have been a lot of celebrities having twins lately, but did you know that a bunch of celebrities are twins themselves? Did you know that Kiefer Sutherland has a twin sister named Rachel? Or that Alanis Morissette has a twin brother who also shares her love of music? Supermodel Gisele Bundchen has a fraternal twin sister named Patricia. Actress Scarlett Johansson has an actor twin brother named Hunter Johansson. Image Source Hunky...