London, Jan 29 (Agencies): In order to lose weight for his upcoming movie ‘Dark Shadows’, Hollywood star Johnny Depp is on a green tea diet.

The ‘Pirates of Caribbean’ star is taking low fructose fruit like pineapples and strawberries.

'Dark Shadows' will be directed by Tim Burton and filming is scheduled to get underway in April 2010.

To be released in 2012, the film is based on the gothic soap opera of the same name that aired on ABC between 1966 and 1971 and is about the adventures of a vampire named 'Barnabas Collins' played by Jonathan Frid.