by Judith Frank-EdetHot and buzzing singer, Ariana Grande has reportedly jilted her rapper boyfriend, Big Sean. This story is according to MTO.They claim that Araina Grande called it quits after she caught Big Sean red-handed having a sexting relationship with an internet model. Sounds crazy right' Their source says"Ariana Grand got into his phone somehow, and saw all the messages. Ariana actually called and started talking sh*t. It was kind of funny to us, .The source also claims Big Sean never slept with the internet model. Ariana Grande and Big Sean started just months ago after spotted many times making out. Click here to read full news..