Beyoncé And Blue Ivy Met The Presidential Dogs

<p><a href="http://www.beyonce.com/tumblr/show/11810" target="_blank">Beyoncé's Tumblr</a></p>

First Lady Michelle Obama celebrated her 50th birthday this weekend, complete with celebrities, celebrity babies, adored presidential pets, and, thankfully, the intersection of all three. That's all to say, here are pictures of Beyoncé and her daughter Blue Ivy playing with the Obama family's Portuguese water dogs, posted on Beyoncé's Tumblr.