Jimmy Kimmel will be hosting the 90th Academy Awards on March 4, 2018. He also hosted the 89th Academy Awards in 2017.

Neil Patrick Harris will host the Oscars for the first time on Feb. 22, 2015.

Ellen DeGeneres will return to host the Oscars for a second time, March 2, 2014, at the Dolby Theatre, in Hollywood, Calif.

Host Seth MacFarlane backstage during the Oscars held at the Dolby Theatre, Feb. 24, 2013, in Hollywood, Calif.

Billy Crystal performs onstage during the 84th Annual Academy Awards held at the Hollywood & Highland Centre, Feb. 26, 2012, in Hollywood, Calif.

Hosts Anne Hathaway and James Franco perform onstage during the 83rd Annual Academy Awards held at the Kodak Theatre, Feb. 27, 2011 in Hollywood.

Comedian Steve Martin and actor Alec Baldwin, wore 3-D glasses as the 82nd Academy Awards at the Kodak Theater in Hollywood, March 7, 2010.

The host of the 81st Academy Awards actor Hugh Jackman performs at the 81st Academy Awards at the Kodak Theater in Hollywood, Feb. 22, 2009.

Host Jon Stewart speaks on stage during the 80th Annual Academy Awards held at the Kodak Theatre, Feb. 24, 2008, in Hollywood, Calif.

Ellen DeGeneres performs her opening monologue at the Academy Awards, Feb. 27, 2007.

Jon Stewart hosts the 78th Academy Awards telecast at the Kodak Theatre in Hollywood, March 5, 2006 on ABC.

Comedian and host Chris Rock poses backstage during the 77th Annual Academy Awards on Feb. 27, 2005 at the Kodak Theater in Hollywood.

Billy Crystal hosts the 76th Annual Academy Awards in Hollywood, Feb. 29, 2004. Crystal has hosted the awards show 9 times.

Host Steve Martin gestures to the crowd during the 75th Annual Academy Awards at the Kodak Theatre, March 23, 2003, in Hollywood, Calif.

Actress and comedian Whoopi Goldberg opens the show for her fourth time as host during the 74th Academy Awards at the Kodak Theatre in Hollywood, Calif., March 24, 2002.

Oscars host Whoopi Goldberg shows off one of the many costumes she wore during the 71st Academy Awards at the Dorothy Chandler Pavilion, March 21, 1999, in Los Angeles.

Oscar host and comedian Billy Crystal hides behind the podium as he introduces the category of Best Actor in a Supporting Role Category during the 70th Academy Awards at the Shrine Auditorium March 23, 1998 in Los Angeles.

David Letterman delivers his opening monologue as he hosts the 67th annual Academy Awards, March 27, 1995, in Los Angeles.

Bob Hope pours himself a cola from a bottle backstage at the Academy Awards, where he was a presenter, RKO Theater, Los Angeles, 1955. He wears a white tie and tails. Bob Hope has been the only person to host the awards show 19 times, with Billy Crystal was next with 9 shows.

Bobe Hope presents a miniature Oscar to Margaret O'Brien, who won a special award as the "Outstanding Child Actress of the Year," during the Academy Awards, March 29, 1945.

Left to right: Sound engineer Franklin Hansen, actor and writer Will Rogers and director Frank Lloyd stand at the podium at the Academy Awards ceremony, Los Angeles, March 16, 1934. Both Hansen and Lloyd won Oscars that year while Rogers played host.