Jason Derulo’s girlfriend Jena Frumes has been spotted with the couple’s newborn baby, nearly one month after she gave birth to the little boy. Jason Derulo and Jena Frumes are proud parents! Nearly one month after she gave birth to little Jason King, Jena was seen cradling the adorable newborn on June 3 in Los Angeles — see the pics here. The 26-year-old model was photographed on what appeared to be on the set of a photoshoot with her mini-me son, four weeks after she and the 31-year-old musician welcomed him into the world. In one snap, she was seen rocking a gorgeous orange mini dress, which put her toned and tanned legs on display.