Through studies and experiments its proven any two people in this world can be connected by around six people. However the fun of celebrity dating is that it seems they date in circles, somehow everyone is linked to each other. Did you know that Edward Norton can be romantically linked to Matt Damon just by 5 degrees of separation?

Edward Norton Dated Cameron Diaz (1998)

Cameron Diaz Dated Jared Leto (2000)

Jared Leto Dated Scarlett Johansson (2003)

Scarlett Johansson dated Josh Harnett (2006)

Josh Harnett dated Penelope Cruz (2006)

Penelope Cruz Dated Matt Damon (2000)

Click here to checkout the dating tree of the celebrities and even create your own tree.