Courteney Cox left fans doing a double-take on Tuesday when she shared a video showcasing an unexpected transformation. The Friends actress, 56, ditched her usually glamorous appearance and had a virtual makeover for an epic Instagram post - and we can't stop watching it. MORE: Courteney Cox goes makeup free to share surprising diet confessionCourteney transformed herself into a man, complete with facial hair, just so she could send her friend Isla Fisher - who was also made-over as a male in