How to stop a baby from crying? Katy Perry

What's the trick to stopping a crying baby? Sometimes it just needs a bottle, a nap, or even a ride in a car. For this baby girl, Katy perry does the trick.The 2013 tune "Dark Horse" is exactly what this baby needed. She was fussing angrily in the car until the beginning notes start. Then her eyes got huge and she waved her hands and bobbed her head in delight.The 38 second clip of her happiness was posted to YouTube on Monday. It had more than 6 million views in two days.Katy Perry even got in on the share-fest. She put it on Twitter and wrote "Available for babysitting at 10 dollars an hour & 4 Oreos."