Dean has written songs with many artists such as The Pussycat Dolls .
Dean has also written songs with many artists including Christina Aguilera , Katy Perry , Keri Hilson , Beyoncé , Priyanka Chopra , Mary J. Blige , Nicki Minaj , Kelly Clarkson , Ciara , Nicole Scherzinger , Usher , Kelly Rowland , Girlicious , Rihanna , R. Kelly , Britney Spears , Soulja Boy Tell 'Em , Pia Toscano , Tinie Tempah , Lil Wayne and Machine Gun Kelly .
Ester Dean