Search 1,000 of PHOTOS Kesha Rose Sebert (born March 1, 1987), known professionally as Ke$ha, is an American singer-songwriter and rapper. Kesha's irreverent music and image propelled her to immediate commercial success, with Animal debuting as the US's number-one album and producing two number-one singles, and a string of top ten hits as well. At the same time, she continued to write songs for other artists.