Courteney Cox and Johnny McDaid fans might start to "Scream" like Gale Weathers when they hear this ... the longtime couple has reportedly separated. According to a new report from the Daily Mail ... the pair ended their romance of more than a decade late last year. The Mail reports the pair reached a point where they were basically living "different lives" ... so they ended things amicably. One insider is quoted as saying, "Johnny speaks incredibly highly of Courteney. They had a very deep