Matthew Perry’s ex Kayti Edwards is speaking out following the tragic death of the “Friends” star.Edwards, a former model and Julie Andrews’ step-granddaughter, reportedly dated Perry in 2006. In a recent interview, she claimed that the final photo Perry shared on Instagram, which shows him relaxing in his hot tub, could be a sign that he was “not sober” at the time of his passing.“I know Matthew and I know that he wouldn’t have just drowned,” she told the UK Sun on Saturday. “I think he might have taken pills in the week leading up to this.”Perry was found dead of an apparent drowning at his Los Angeles home on Oct.