Angelina Jolie's ex to direct film on their relationship

Actor Billy Bob Thornton will start shooting the movie this year

Angelina and Brad Pitt looked more in love than ever at the premiere of her directorial debut 'In The Land Of The Blood And Honey' in Bosnia on Valentine's Day, however her ex may soon be shaking things up for the couple.

'Bad Santa' actor Billy Bob Thornton, to whom Jolie was married from 2000 to 2003, is co-writing and directing a film depicting his relationship with the Oscar winner.

'And Then We Drove' is starting shooting this year, producer Alexander Rodnyansky confirmed to Hollywood magazine Variety.

The film is described as 'an ethereal road movie' and will chart the love affair between the two actors from when they met on the set of 'Pushing Tin' in 1999.

At the time Thornton was in a relationship with actress Laura Dern, whilst Jolie was married to British actor Jonny Lee Miller.