Courteney Cox has called off her engagement [1] with Johnny McDaid, Us Weekly reports. According to sources, the couple, who last stepped out together in August [2], split shortly before the Thanksgiving holiday. It's been a whopping 17 months since Courteney and Johnny first got engaged [3] back in June 2014. The split marks the latest entry in the growing list of celebrity breakups in 2015 [4], which has reached a staggering number of nearly 40.