Johansson denies 'prima donna' label

Scarlett Johansson has refuted claims that she has become a prima donna.

Reports have suggested that the producers of her latest film Vicky Cristina Barcelona struggled to manage the actress's behaviour on set.

"Scarlett isn't the same... She's turned into the biggest prima donna... everyone said she was a sweetheart... now they say, 'Scarlett's let it get to her head'," a source told The New York Post.

However, a spokesperson for the star, who last month claimed that Hollywood is ageist, insisted that she had a good time making the film.

"Scarlett loves the movie and enjoyed working with everyone on it," the representative said.