Jason Derulo seems to have opened his wallet very wide this year for his ex-girlfriend Jena Frumes with whom he shares a one-year-old child.On Tuesday TMZ claimed the singer bought the model a stunning $3.6 million white mansion in Los Angeles complete with a swimming pool with a waterfall and built-in spa.The Encino, California home was snapped up for the beauty queen in March, it was claimed, and she has been living there ever since with their son Jason King. Big house:Jason Derulo seems to have opened his wallet very wide this year for his ex-girlfriend, Jena Frumes, with whom he shares a child.
