Does Sean "Diddy" Combs have a new special lady in his life? That's what some fans speculated after the music icon was spotted on Instagram with rapper Yung Miami. The City Girls artist, whose real name is Caresha Brownlee and is one half of the hip hop duo alongside JT, a.k.a. Jatavia Shakara Johnson, raised eyebrows on June 3, after she posted a series of…