During Saturday night’s 'X Factor' performance, Whitney Houston was left red-faced after a strap at the back of her long silver dress snapped open midway through her performance of 'Million Dollar Bill.' She shrugged off the wardrobe malfunction though, joking to host Dermot O'Leary afterwards, "I sang myself out of my clothes." This performance marked Houston's first UK TV appearance in 12 years, Last week, Houston told UK's Daily Mail that her 'X Factor' performance "should be a fun night. ...