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. From 1990 to 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.