Ryan Gosling & Michelle Williams: 'Blue Valentine' Trailer!

Ryan Gosling and Michelle Williams steam up the silver screen in this trailer from their upcoming film, Blue Valentine, out December 31.

The acclaimed indie drama cuts across different time periods as it charts the evolution of a contemporary relationship. Dean and Cindy, played by Ryan, 29, and Michelle, 30, re-live remnants of their tumultuous time together.

Despite several edits from its original premiere at Sundance, Blue Valentine recently received a NC-17 rating from the MPAA…