Katy Perry’s music video, Dark Horse, was the first video by a female artist to have received 1 billion views on YouTube. She recorded the video with rapper Juicy J and it is a mixture of trap and hip-hop. In fact, she is also the first artist to have two music videos that have exceeded more than 1 billion views. Her music video for Roar was even more popular and also reached 1 billion views on YouTube in 2015.