R&B legend Stevie Wonder is suing to evict his ex-fiancée from his Studio City home she’s been living in rent-free for nearly four decades. The Motown icon filed a lawsuit against former flame Carmen Efferson in Los Angeles Superior Court on Thursday, after she cursed out his legal representatives and refused access to the home for a property tax inspection, the complaint says. Efferson allegedly refused to vacate the home on Oak Glen Drive when the singer’s legal reps tried to get her out of his home, which she has been living in since July 1988 per an oral agreement,...