By Caitlin Petreycik
Updated Aug 12, 2011 @ 7:12 pm
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Splash News; Getty Images

Sienna Miller is trying something new with her hair—pink highlights! The actress was spotted at the airport en route to Ibiza working a rose gold shade. Miller is the latest celeb to go pink, following Dianna Agron and Katy Perry. What do you think of the actress' subtle take on the pink hair trend? Tell us in the comments!