Prince Albert II and Princess Charlene of Monaco announced that they are expecting in May and now it's being reported that they're having twins! The babies will be born before the end of the year and will be Prince Albert's third and fourth children. He has a daughter, Jazmin, and a son, Alexandre, from his previous relationships. The new additions will replace Prince Albert's older sister, Princess Caroline, as the heirs to the throne. Congrats to the couple!

Get to know more about Princess Charlene, the next royal mom.

Source: Getty / Didier Baverel