Watch: Kareena, Ileana, Preity, Saif Dance To 'Happy' Song

Happy Ending movie is all set release in one week, Saif Ali Khan starrer is slated to hit the theatres on November 21st, and going by the name of the movie, the cast too decided to do a little 'Happy' dance for all their friends and family.

The lead actors of the movie; Saif Ali Khan, Ileana D'Cruz, Kalki Koelchin dance along with Kareena Kapoor and Preity Zinta who play cameo roles in the movie. In the video all theses stars are seen in a candid and fun mood dancing to the Pharell Willaim's Happy song.

Kareena is seen dancing with her hubby and even Preity shaked her booty with Saif. The entire cast and crew of the film are shown grooving to this number.

Happy Ending is a story of Yudi (Saif Ali Khan) is a writer who hasn't written anything for a few years. He is caught between finding inspiration and finding love. Armaan (Govinda) a fading movie star who goes to Hollywood to get a Bollywood script written in Hollywood style in his desperation to save his stardom.[3] He approaches Yudi to write a film for him.

Saif is said to be playing double role in the movie. Isn't it exciting? Check out the fun, behind the scene action of the stars grooving to a peppy dance number.