Miss Universe 2015 Pia Wurtzbach’s camp has denied that there is any truth to allegations that she lied in the MMK episode about her life story. The beauty queen was called a “liar” by her half-brother, Alexander Wurtzbach and the live-in partner of her late dad, Uwe Wurtzbach. A source close to Pia got in touch with PEP.ph, after the news …