And Europe's royals are no strangers to twins, either. Crown Prince Fredrik and Princess Mary of Denmark have a twosome of their own, Prince Vincent and Princess Josephine, while Princess Charlene of Monaco gave birth to a precious pair with Prince Albert.
But stars of song and screen are also among the high-profile twins, including Canadians Tegan and Sara and Aaron and Shawn Ashmore.
A 2012 report in the New York Times revealed that one in 30 births results in twins , and according to the National Centre for Health Statistics, the rate of multiple births rose by 76% between 1980 and 2009!
Twins: they’re everywhere.
CLICK THE IMAGE BELOW TO SEE 24 SETS OF CELEBRITY TWINS: