Spotted: B and S mugging for the camera. The cast of the CW's Gossip Girl are forgoing bottled water in favor of bringing their own mugs to the set. And stars Blake Lively, Leighton Meester, and Penn Badgley appear in three short eco-ads, below: In other celeb news you can reuse, Alexis Bledel of The Sisterhood of the Traveling Pants 2 is promoting the travel of your old pants (specifically jeans) to New Orleans for recycling into insulation. I won't say green is the new black, but maybe Blake Lively, who stars in both, is the next NatPo ...
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