Washington, May 22 -- Michelle Williams has opened up about her experience living with co-star Ryan Gosling during the filming of the 2010 romantic drama 'Blue Valentine'.

The Oscar nominee revealed that the unconventional approach to preparing for their roles was "horrible" but ultimately helped them tap into the complexities of their characters, as per The Hollywood Reporter.

Williams and Gosling played a couple whose relationship deteriorates over time.

To get into character, director Derek Cianfrance encouraged them to live together and improvise ways to annoy each other, with the goal of "destroying" the romantic feelings they had developed during the early stages of filming.

"We took a break in filming, and [then] we lived toget...