Shawn Mendes. Jacopo Raule/Getty Images Shawn Mendes has apparently addressed his love triangle with Camila Cabello and Sabrina Carpenter. Without naming names, Mendes acknowledged past relationship drama in his appearance on the Thursday, December 12 episode of John Mayer’s SiriusXM show “How’s Life?” “So, I’m with someone, [and] two days before going to hang with…
