Keira Knightley Turns Diva on 'Pirates of the Caribbean'

Sexy British star Keira Knightley was a virtual unknown when she arrived with her performance in 'Pirates of the Caribbean: The Curse of the Black Pearl.' 

Is she really called Keira Nightmare?

Now the 20-year old star has gone diva on the set of the 'Pirates' sequels reports 'Star Magazine.'

The actress reportedly is traveling with a massive entourage and according to sources her new diva attitude isn't making her any friends.

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"You can almost hear her head getting bigger," a source dished to the tab.  "She insisted that the crew not make eye contact with her." 

Problems? Well, yeah.

The report claims stars Johnny Depp and Orlando Bloom like to hang out with the crew and Keira's behavior is causing friction between the three.

The article claims she is now known as Keira 'Nightmare.'

--Kate S. Campbell