Britney Spears Got A New Puppy, Miley Cyrus Shares The Cutest Baby Picture Ever And More Tweets Of The Week (PHOTOS)

This week, the twittersphere was a great place to learn some awesome tidbits about the lives of the fashionable (and the fashionably-challenged). We saw pictures of our favorite celebrities' canine friends, learned that Joan Rivers made her 1 millionth vagina joke and spotted an adorable picture of Rachel Zoe kissing her beau under the mistletoe. Adorbs!

Take a look at the tweets below and see more of our favorite Twitter moments:

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