Ryan Reynolds and Isla Fisher have signed on to star in the romantic comedy DEFINITELY, MAYBE for Universal Pictures and Working Title. Derek Luke is in negotiations to join the pair, says The Hollywood Reporter.

Written and directed by Adam Brooks, the story centers on a soon-to-be-divorced political consultant who has to answer some hard questions from his 11-year-old daughter as he explains his promiscuous past. T

he film marks a reteaming of Brooks with Universal/Working Title. He penned "Bridget Jones: The Edge of Reason" and "Wimbledon" for the studio and production company.