Pedaru was born on 10 May 1990 in Kehra, Estonia. Born into an athletic family, Pedaru became interested in sports at a very early age. From the time she was six, Pedaru played a variety of sports, including basketball, soccer and handball. She played goalkeeper on the U-19 junior Estonian national football team for a year before she quit to pursue modeling.
Karmen’s mother died when Karmen was 5 years old and after that Karmen was raised by her grandmother Elo-Mai Pedaru.
She married Riccardo Ruini on 14 December, 2012