Bennie Blanco has worked with Kesha .
As a producer and songwriter , Blanco is responsible for more than 100 million album sales worldwide due to his work with artists including Ed Sheeran , Justin Bieber , Maroon 5 , Rihanna , Katy Perry , Kesha , Sia , The Weeknd , Selena Gomez , Wiz Khalifa and many more .