Seacrest made an appearance as host of the fictional Lover’s Lane in Beverly Hills, 90210 in “The Final Proof”. He later led the New Edge, a program created by the CNET in which they presented new technological devices. Seacrest then accepted as co-host of the hit show American Idol in 2002 with comedian Brian dunklem. American Music Awards In 2003, he tore the blouse and comedian Kathy Griffin showed her bra to the public. Kathy, in response, accusing denounced him who had been assaulted physically. He accepted that it was all improvised. Later, Seacrest made a joke about a twelve year old sitting in the front row, which caused the presenter Patricia Heaton will be the place in disgust. American Idol became a hit when the audience reached millions of people per issue, so Seacrest took on more fame.The following year, became the only driver following the departure of dunklem. In 2003, Ryan led American Juniors. In January 2004, Seacrest conducted a television entertainment program entitled On Air with Ryan Seacrest. Due to low ratings, the show was canceled and the last episode aired on 17 September 2004. In January of that year, Seacrest had also agreed to be the new host of legendary radio program American Top 40, created and formerly hosted by Casey Kasem. Before you became speaker in AT40, worked as a substitute on four occasions in 2003. In February 2004, she joined the radio station KIIS morning drive, replacing Rick Dees. This program, also known as On Air With Ryan Seacrest, continues to be emitted. In January 2005, Seacrest led the concert, “Celebrating Freedom” in Washington, DC for President George W.Bush, the Bush family and the U.S. military. In August of that year, it was announced that would be the executive producer and co-host of Dick Clark’s New Year’s Rockin ‘Eve, and would be the successor to the legendary producer and driver. On December 31, 2005 Seacrest was the main driver of the program. Dick Clark’s role was limited by problems with speech and mobility due to its recovery from a stroke. Seacrest also works occasionally as a substitute driver in the CNN Larry King Live.In January 2006, the cable channel in the United States E! announced a contract for three years and twenty-one million dollars for that Seacrest would lead and produce various programs, including E! News and its coverage on the red carpet. Associated Press said that Seacrest used the contract with E! and Dick Clark’s New Year’s Rockin ‘Eve as a spring toward a long career in television production. In April 2006, won a Daytime Emmy Award for his work as co-host of the Disney Christmas Parade with Regis Philbin and Kelly Ripa. Seacrest had a cameo in the 2007 summer movie Knocked Up, where a driver is E! and shows the stupidity of his interviews, noting that there is nothing to say about the strategies of the Iraq war or the problems with North Korea. Seacrest took delivery of the 59th Primetime Emmy Awards on 16 September 2007. In May 2008, it was reported that Seacrest would be the executive producer of a new reality dating show, Momma’s Boys, for NBC.According to an announcement, the series will deal with mothers who seek the perfect match for their sons. Seacrest also serves as executive producer of the reality show on E! Denise Richards: It’s Complicated which premiered on 26 May 2008. The program received many negative reviews, the Boston Herald, ejemplom gave a rating of five points out of ten. In July 2009 it announced a new contract which keeps him as host of American Idol 2012 and participating in new projects, ensures that the amount of the contract is 45 million U.S. dollars.