Oscar host Seth MacFarlane speaks on stage at the 85th Academy Awards in Hollywood, California, February 24, 2013. REUTERS/Mario Anzuoni
Oscar host Billy Crystal talks on stage at the 84th Academy Awards in Hollywood, California, February 26, 2012. REUTERS/Gary Hershorn
Host Jon Stewart delivers his monologue at the start of the 80th annual Academy Awards, the Oscars in Hollywood February 24, 2008. REUTERS/Gary Hershorn
Host Hugh Jackman performs his opening monologue during the 81st Academy Awards in Hollywood, California February 22, 2009. REUTERS/Gary Hershorn
Co-hosts Anne Hathaway (L) and James Franco perform during the 83rd Academy Awards in Hollywood, California, February 27, 2011. REUTERS/Gary Hershorn
Steve Martin performs his monologue at the start of the 73rd annual
Academy Awards in Los Angeles as shown in this file image from March
25, 2001. Martin has been selected to host the 75th Academy Award show
March 23, 2003. REUTERS/Gary Hershorn
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Host Ellen Degeneres takes a group picture at the 86th Academy Awards in Hollywood, California March 2, 2014. REUTERS/Lucy Nicholson
Billy Crystal hosted in 2004. Best Picture winner: The Lord of the Rings: The Return of the King.
REUTERS/Gary Hershorn
Steve Martin (L) and Alec Baldwin host the 82nd Academy Awards in Hollywood, March 7, 2010. REUTERS/Brian Snyder
Oscars host Chris Rock (C) delivers a joke about PricewaterhouseCoopers, the agency that handled the balloting, at the 77th annual Academy Awards in Hollywood, February 27, 2005. REUTERS/Gary Hershorn REUTERS MM - RTRON41
Host Ellen DeGeneres performs at the at the 79th Annual Academy Awards in Hollywood, California, February 25, 2007. REUTERS/Gary Hershorn
Host Chris Rock opens the show at the 88th Academy Awards in Hollywood, California February 28, 2016. REUTERS/Mario Anzuoni - RTS8FYE
Know your Oscar hosts
The hosts of the Academy Awards all the way back to 1995.