Best known as the host of TV's reality competition show, American Idol, and KIIS-FM's On Air with Ryan Seacrest.
He had an internship at the radio station WSTR FM and hosted Gladiators 2000 from 1994 to 1996.
He won an Emmy Award for producing Jamie Oliver's Food Revolution and became co-host of Dick Clark's New Year's Rockin' Eve in 2005.
He dated model Shayna Terese Taylor from 2013 to 2014 and again from 2017 to 2019. He dated actress Julianne Hough from June 2010 until March 2013. He also dated Hilary Cruz.
He frequently had arguments with Simon Cowell on the set of American Idol.