Ester Dean has written songs for many artists such as Christina Aguilera , Florence + The Machine , Katy Perry , Beyoncé , Nicole Scherzinger , Priyanka Chopra , Mary J. Blige , Nicki Minaj , Kelly Clarkson , Ciara , The Pussycat Dolls , Usher , Kelly Rowland , Girlicious , Keri Hilson , Rihanna , R. Kelly , Britney Spears , Selena Gomez , G.R.L. , Soulja Boy Tell 'Em , Little Mix , Pia Toscano , Tinie Tempah , Lil Wayne , Machine Gun Kelly , Fifth Harmony , and Eurovision Song Contest 2012 winner Loreen .
Her 2009 single `` Drop It Low '' featured singer Chris Brown .
Ester Dean