An attendee dressed as Deadpool photobombs two posing characters during the pop culture convention Comic Con in San Diego, California, U.S. July 21, 2018. REUTERS/Mike Blake 

An attendee photobombs Al Sharpton as he arrives on the red carpet at the White House Correspondents' Association dinner in Washington, U.S. April 29, 2017. REUTERS/Jonathan Ernst 

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Team Snowboard Cross - Sierra Nevada, Spain - 13/03/17 (L to R) Silver medalist Lucas Eguibar of Spain, gold medalists Nick Baumgartner and Hagen Kearney of the US and bronze medalists Chris Robanske and Kevin Hill of Canada react as Nico Eguibar, brother of Lucas Eguibar, photobombs them during the presentation ceremony. REUTERS/Albert Gea

Pedro Carvajalino (C), host of a pro-government TV show, photobombs Lilian Tintori (R), wife of jailed Venezuelan opposition leader Leopoldo Lopez, and Mitzy de Ledezma, wife of arrested Caracas metropolitan mayor Antonio Ledezma, upon their arrival at Simon Bolivar airport in Caracas, Venezuela February 16, 2017. REUTERS/Marco Bello 

Figure Skating - ISU World Figure Skating Championships - Gala Exhibition - Boston, Massachusetts, United States - 03/04/16 - Mens singles silver medalist Yuzuru Hanyu of Japan (L) photobombs Ice Dance silver medalists Maia Shibutani and Alex Shibutani of the United States. - REUTERS/Brian Snyder 

Actress Sarah Hyland (C) photobombs fellow actors William H. Macy and Saoirse Ronan as they chat at the 22nd Screen Actors Guild Awards in Los Angeles, California January 30, 2016. REUTERS/Lucy Nicholson 

Actor Jared Leto photobombs producer James W. Skotchdopole with this Best Picture award for the film "Birdman" and his guests at the 2015 Vanity Fair Oscar Party in Beverly Hills, California February 22, 2015. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY) (VANITYFAIR-ARRIVALS) 

Reuters photographer Kai Pfaffenbach (in blue) photobombs Mexican soccer fans on his way to grab dinner in Fortaleza June 16, 2014. In a project called 'On The Sidelines' Reuters photographers share pictures showing their own quirky and creative view of the 2014 World Cup in Brazil. REUTERS/Mike Blake (BRAZIL - Tags: SPORT SOCCER WORLD CUP SOCIETY MEDIA) 

Actor Jared Leto jokes around as actress Anne Hathaway poses as they arrive at the 2014 Vanity Fair Oscars Party in West Hollywood, California March 2, 2014. REUTERS/Danny Moloshok (UNITED STATES TAGS: ENTERTAINMENT) (OSCARS-PARTIES) 

Actress Anne Hathaway catches actor Jared Leto who was playing a joke as they arrive at the 2014 Vanity Fair Oscars Party in West Hollywood, California March 2, 2014. REUTERS/Danny Moloshok (UNITED STATES TAGS: ENTERTAINMENT) (OSCARS-PARTIES) 

Actor Bill Murray "photobombs" singer Selena Gomez as they arrive for the 2014 Vanity Fair Oscars Party in West Hollywood, California March 2, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT)

Actor Benedict Cumberbatch jumps behind U2 at the 86th Academy Awards in Hollywood, California March 2, 2014. REUTERS/Mike Blake (UNITED STATES TAGS: ENTERTAINMENT) (OSCARS-ARRIVALS)

Actor Benedict Cumberbatch jumps behind U2 at the 86th Academy Awards in Hollywood, California March 2, 2014. REUTERS/Mike Blake (UNITED STATES TAGS: ENTERTAINMENT) (OSCARS-ARRIVALS)

Actresses Emma Thompson photobombs Lupita Nyong'o at the 20th annual Screen Actors Guild Awards in Los Angeles, California January 18, 2014. REUTERS/Lucy Nicholson (UNITED STATES - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY) (SAGAWARDS-ARRIVALS) 

Actresses Emma Thompson and Lupita Nyong'o arrive at the 20th annual Screen Actors Guild Awards in Los Angeles, California January 18, 2014. REUTERS/Lucy Nicholson (UNITED STATES Tags: ENTERTAINMENT)(SAGAWARDS-ARRIVALS) 

Sierra Deaton (C) photobombs judge Demi Lovato's interview as Alex Kinsey (L) speaks to a television reporter backstage after the folk duo won "The X Factor " in Los Angeles, California, December 19, 2013. Winners Kinsey and Deaton won a $1 million recording contract with Sony Music Entertainment. REUTERS/Kevork Djansezian (UNITED STATES - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY) 

England centre Manu Tuilagi makes a gesture behind Britain's Prime Minister David Cameron (C), as he poses with the British and Irish Lions rugby squad in front of Number 10 Downing in London September 16, 2013. Lions rugby centre Tuilagi has apologised for making a 'bunny ears' gesture behind the head of Cameron at 10 Downing Street. Photograph taken September 16, 2013. REUTERS/Chris Harris/pool (BRITAIN - Tags: POLITICS SPORT RUGBY) 

England centre Manu Tuilagi makes a gesture behind Britain's Prime Minister David Cameron (C), as he poses with the British and Irish Lions rugby squad in front of Number 10 Downing in London September 16, 2013. Lions rugby centre Tuilagi has apologised for making a 'bunny ears' gesture behind the head of Cameron at 10 Downing Street. Photograph taken September 16, 2013. REUTERS/Chris Harris/pool (BRITAIN - Tags: POLITICS SPORT RUGBY) 

Action Democratique leader Mario Dumont (L) laughs during a luncheon in Delson, Quebec, March 15, 2007. Quebec voters will go to the polls in a provincial election on March 26. REUTERS/Christinne Muschi (CANADA)