20 Celebrity Photos You Never Thought You'd See. Madonna, Sting and Tupac.

20. 20 Celebrity Photos You Never Thought You'd See. Madonna, Sting and Tupac.

Twenty celebrity moments captured on film and currently floating around the Internet bear witness to the old adage of six degrees of separation, that is, every sixth person you meet is in your inner circle.

These timeless candid shots, some taunting us — others haunting us — also reveal moments and meetings some fans didn’t know occurred. Take a look.