Jason Derulo’s ex-lover Jena Frumes Asserts He Was Disloyal In Viral TikTok Remarks. Jason Derulo’s ex-lover, Jena Frumes, has replied to assert that he ripped her off. Jason Derulo and Jena Frumes surprised followers when they revealed their divide recently, simply 4 months after inviting their infant young kid, Jason King Derulo, with each other.