In this 2012 romantic fantasy comedy-drama, a struggling novelist finds his life turned upside down when his fictional dream girl mysteriously comes to life. What is the title of this film, starring Paul Dano and Zoe Kazan?

The film described, where a struggling novelist's fictional dream girl comes to life, is indeed "Ruby Sparks (Review)." Released in 2012, this romantic fantasy comedy-drama stars Paul Dano as Calvin Weir-Fields, the novelist, and Zoe Kazan as the titular Ruby Sparks. The unique premise sees Calvin, suffering from writer's block, conjure Ruby in his writing, only for her to inexplicably materialize in his apartment, completely unaware of her fictional origins.

"Ruby Sparks" is notable not only for its imaginative storyline but also for the real-life relationship of its lead actors; Zoe Kazan, who plays Ruby, also penned the screenplay, with Paul Dano, her partner, in mind for the role of Calvin. This personal connection adds a layer of intimacy and complexity to their on-screen dynamic, as their characters navigate the fascinating and often challenging implications of Calvin's ability to literally write Ruby's existence.

The film cleverly explores themes of control, idealization in relationships, and the blurred lines between fantasy and reality. As Calvin exercises his power to shape Ruby's personality and actions through his writing, the narrative delves into the dangers of trying to mold a partner into an idealized version rather than accepting them for who they truly are. "Ruby Sparks" serves as a thought-provoking and engaging look at the complexities of love and autonomy, making it more than just a quirky romance.