Ellen K. (born September 19, 1962)[1] is an American radio personality in the Los Angeles, California market and a television host. She is the host of the Ellen K Radio Show on KOST 103.5 FM, and the nationally-syndicated weekend program Ellen K Weekend Show on iHeartMedia AC-formatted stations like Lite FM in New York and in Chicago. From April 1990 to October 2015 she worked at KOST's sister station 102.7 KIIS-FM, co-hosting the Rick Dees morning show and later the On Air with Ryan Seacrest show. On October 19, 2015, Ellen took over the morning show at KOST after longtime morning host Mark Wallengren moved to afternoons.[2][3]