By Ryan Smith
Published: 05:58 EST, 7 July 2014 | Updated: 06:54 EST, 7 July 2014
To Game Of Thrones fans, she's known as Cersei Lannister, the icy aristocrat, hell-bent on battling her way to the top.
But actress Lena Headey proved that she couldn't be further removed from her character on the medieval fantasy show, when she showed off her toned body on the shores of Ibiza.
The British beauty bared her curves in a colourful two-piece bikini as she strolled along the Ballaeric island's beaches on Friday.
Itsy-bitsy: Lena Headey showed off her curves in a two-piece bikini when she was photographed on holiday in Ibiza on Friday
And, most surprising of all, the 40-year-old screen star also showcased a large and elabroate back tattoo.
The heavy ink design, which starts from the small of her back and stretches all the way up to her neck, features soaring birds.
The brunette dipped her toes into the water as she sunned her athletic body in front of holidaymakers, who seemed unaware that they were in the midst of a star.
Inked: The actress also showed off her large and elaborate back tattoo
As her character Cersei, Lena is often seen dressed in medieval-inspired gowns.
But in real life, she's proven more than once that she's quite the fashionable rebel.
In June, she sported a black tank top that read 'I'm Not Sorry' inside a heart shape as she made her way to the Jimmy Kimmel Live chat show in Los Angeles.
Making waves: The actress couldn't resist dipping her toes into the warm waters
Lena has a four-year-old son Wylie with ex-husband Peter Loughran.
She married the musician in May 2007, but they separated in 2011 and their divorce was finalised in December.
Game Of Thrones is based on the fantasy novels by author George RR Martin.
HBO has ordered two more seasons of the popular show.
Casual: Lena during her recent appearance on Jimmy Kimmel Live
Ice queen: The star is best known to audiences as cold, calculating Cersei Lannister
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