From eonline.com:

Just when you thought it was safe to refer to Jennifer Aniston and Vince Vaughn as a committed couple, they go and call the whole thing off. 

"After Jennifer's trip to London several weeks ago, Jennifer and Vince mutually agreed to end their relationship, but continue to be good friends today," publicists Stephen Huvane and John Pisani said in a joint statement to People Tuesday. 

With stories of their demise gracing magazine covers, the former Friends star traveled to London in October to visit Vaughn on the set of his latest film, the Christmas comedy Fred Claus. Earlier that month Aniston had appeared on her pal Oprah Winfrey's show to dispel the breakup talk, telling the talk show maven "no, no" when asked if Vaughniston was no more.

Keep reading about the real-life break-up of Vaughniston here.