The Cutest Pets on Twitter This Week: Laughing Dogs, Kissing Puppies and More!We put the call out on Twitter for your cutest photos and you delivered! See our first-place furballs and some runners-up from our daily #cutepic photo contest

Updated: Friday May 13, 2011 | 05:00 PM EDT

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That's one happy puppy! Toby (@welovedoodles) landed Monday's #cutepic win with his gorgeous grin.