Jennifer Aniston's dog comedy 'Marley & Me' made an estimated $37 million in weekend ticket sales, lifting the movie's total gross to $51.7 million since it opened Christmas Day.

The Twentieth Century Fox film -- also starring Owen Wilson, Alan Arkin, Eric Dane and Kathleen Turner -- already broke the record for the highest grossing film to ever open on December 25 when it brought in $14.7 million. The movie tells the story of a young couple in love that decides to bring home an adorable, but mischievous puppy named Marley.

Finishing at No. 2 for the weekend -- with an estimated $28.1 million -- was Adam Sandler's family comedy 'Bedtime Stories,' a Disney film about a hotel handyman whose life changes when the bedtime stories he tells his niece and nephew start to magically come true.

Coming in third was Brad Pitt and Cate Blanchett's romantic fantasy 'The Curious Case of Benjamin Button,' which brought in an estimated $27.2 million during the weekend for Paramount Pictures. The film follows the extraordinary life of a man who is born old and ages backwards as he advances in years.

In fourth place with $21.5 million was United Artists' World War II saga 'Valkyrie,' starring Tom Cruise as a Nazi-era German army officer who participates in a plot to assassinate Adolph Hitler.