Olivia Colman and Benedict Cumberbatch, who are partnering up for the new movie "The Roses," shared their secrets to a lasting union.

Andy Samberg, Kate McKinnon and Allison Janney also star in Jay Roach's reimagining of ‘The War of the Roses,' the novel about spousal warfare and its 1989 film adaptation.

As the cruelty ramps up, "The Roses" becomes less and less humorous despite its stellar cast, writes our reviewer.