Okay, you may not have known, but, um, I'm the proudest aunt ever. I am beyond in love with my niece and nephew. Seriously. How my brother and Katy managed to produce the most amazing children ever is beyond me, but I'm so glad they did.
Here are a few ridiculously adorable pictures from their birthday party this past weekend (Natalie turned 4 at the end of November and Isaac turned 1 at the start of December)
Too much cute, right?