Startraks Photo (3)
Caitlin Petreycik
Jun 08, 2011 @ 1:30 pm

Today is World Oceans Day, and to mark this global celebration of the ocean conservation, we've rounded up snapshots of stars working every shade of blue—from Caribbean cyan to Atlantic azure. Michelle Monaghan dazzled in teal, Blake Lively set off her new red 'do in ombre sea green, and Emma Roberts slipped on a royal blue. Click "See the Photos" to view sea tone looks from Reese Witherspoon, Jennifer Lopez, Halle Berry and more!

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