"Blood is thicker than water " this idiom must have written by the researcher after observing the bond between siblings. Every time when they fight the bond keeps on increasing because they understand each other more at the end of the fight.
Hugh Hefner started a special magazine - Playboy in 1953. It publish A Special Coverage on a Celebrity in its Every Edition with Some Semi or Full Nude Photographs. From 1953 "Playboy" has a long List of the Celebrities on its Cover Page in their Raunchy Photoshoots. Here's a List of few of them..