Sienna spent Valentine's Day with women

Sienna Miller has revealed that she celebrated Valentine's Day this year with a woman – her G.I. Joe: The Rise of Cobra co-star Rachel Nichols.

"We needed each other - it was a very testosterone environment - we actually spent Valentine''s Day together!" People quoted her as saying.

She said: "We all got on so well making the film - we spent all of our time together."

The beauty had also apparently become close to Keira Knightley, when she starred with her in The Edge of Love and they are still friends.

The blonde added: "Now we swap books. I went to Keira's house for dinner and we talked about books and swapped some. We play cards and do newspaper crosswords together.

"She's learning the flute at the moment and I'm learning the piano."

Recently Sienna Miller was spotted In a bikini while vacationing in Ibiza.