Superstar couple Eva Mendes and Ryan Gosling are taking a break in their relationship after it was decided they were moving too fast, Breaking Celebrity News has exclusively learned.

The 2 Fast 2 Furious actress and The Notebook hunk haven't officially split, but, "there was a realization before Thanksgiving that they took things way too fast and were rushing toward a marriage that neither of them particularly needed," a source told Breaking Celebrity News.

"They've decided to take a break to reevaluate their romance."

Still, according to the source, Gosling, 33, is the one who is undecided, but "Eva wanted to have his babies."

The movie beauty, 39, has been Gosling's girlfriend for more than two years.

The source tells Breaking Celebrity News that Gosling has been laying low because he's coming off a flop movie, Only God Forgives, but he has big things planned for 2014, including the release of his directorial effort, How to Catch a Monster, co-starring Mendes.