It's Labor Day Weekend -- time to party it up and enjoy the last vestiges of summer. But as you're downing a wine cooler and firing up the grill, think of the animals. They, too, like to party hard, and enjoy a friendly gathering with some brewskis as much as we humans do. Don't believe us? Check out the gallery below for proof.

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Party Animals
These guys party hard.
Flickr
WireImage.com

Animal Bellies

    Twin tums.

    Flickr

    So much better than a monkey on your back.

    Flickr

    Tired tummy.

    Flickr

    Just one belly rub. Please!

    Flickr

    Full belly.

    Flickr

    S-t-r-e-e-e-e-t-c-h.

    Flickr

    Gerbil goodness.

    Flickr

    Frank on a full belly.

    Flickr

    Out cold.

    Flickr

    Donkey konked-out.

    Flickr