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Drew Barrymore couldn't stop smiling as she shopped in LA and sipped some organic tea. Could it have something to do with her sexy BF, art curator Will Kopelman?

The pair attended Chanel’s benefit dinner for the Natural Resources Defense Council’s Ocean Initiative last weekend in Malibu, and they looked so happy and in love!

But Drew also has a lot of love for her girlfriends. The actress recently told Cosmopolitan magazine of her Charlie's Angels co-star, Cameron Diaz:

    "She's my sister, but we bro out and have crazy adventures. I always know that she's game. That's been a big part of our friendship, knowing that she'll throw down at any time, as well as that sisterly love that we have."


Awwww!

Find out what Diaz had to say about Barrymore, after the jump ...