VJ Day in Times Square, a photograph by Alfred Eisenstaedt, was published in Life in 1945 with the caption, In New York's Times Square a white-clad girl clutches her purse and skirt as an uninhibited sailor plants his lips squarely on hers.
Credit: Alfred Eisenstaedt/Time Life Pictures/Getty Images
Barack Obama and Michelle Obama
President Barack Obama, right, kisses first lady Michelle Obama for the "Kiss Cam" while attending the Olympic men's exhibition basketball game between Team USA and Brazil, July 16, 2012, in Washington.
Credit: AP Photo/Alex Brandon
Rachel McAdams and Ryan Gosling
Actress Rachel McAdams, left, and Actor Ryan Gosling accept the award for Best Kiss for The Notebook onstage during the 2005 MTV Movie Awards at the Shrine Auditorium on June 4, 2005, in Los Angeles.
Credit: Kevin Winter/Getty Images
Marine Sgt. Bradon Morgan and Dalan Wells
Marine Sgt. Brandon Morgan kisses his partner Dalan Wells when he returns home to Hawaii from a deployment in Afghanistan on Feb. 22, 2012.
Al Gore and Tipper Gore
Democratic presidential candidate Al Gore kisses his wife Tipper after she introduced him to the Democratic National Convention at the Staples Center Aug. 17, 2000, in Los Angeles.
Credit: Lucy Nicholson/AFP/Getty Images
Halle Berry and Adrien Brody
Actor Adrien Brody kisses presenter actress Halle Berry as he accepts his Oscar for Performance by an actor in a leading role for his role in "The Pianist" during the 75th Academy Awards at the Kodak Theatre in Hollywood, Calif., March 23, 2003.
Credit: Timothy A. Clary/AFP/Getty Images
Vancouver riots kiss
Riot police walk in the street as a couple kiss on June 15, 2011, in Vancouver, Canada. Vancouver broke out in riots after their hockey team the Vancouver Canucks lost in Game Seven of the Stanley Cup Finals.
Credit: Rich Lam/Getty Images
Prince William and Duchess Kate
Britain's Prince William kisses his wife Kate, Duchess of Cambridge, on the balcony of Buckingham Palace, after their wedding service, on April 29, 2011, in London.
Credit: Leon Neal/AFP/Getty Images
Michael Jackson and Lisa Marie Presley
Michael Jackson and his wife Lisa Marie Presley kiss on the stage of Radio City Music Hall Sept. 8, 1994, in New York where they attended the MTV Video Music Awards.
Credit: -/AFP/Getty Images
Petty Officer's Marissa Gaeta and Citlalic Snell
Petty Officer 2nd Class Marissa Gaeta, left, kisses her girlfriend of two years, Petty Officer 3rd Class Citlalic Snell at Joint Expeditionary Base Little Creek in Virginia Beach, Va., Dec. 22, 2011, after Gaeta's ship returned from 80 days at sea.
Credit: AP Photo/The Virginian-Pilot, Brian J. Clark
Prince Charles and Princess Diana
Prince Charles and Princess Diana kiss on their wedding day in London, July 29, 1981.
Lady Gaga and Mayor Michael Bloomberg
Singer Lady Gaga and New York Mayor Michael Bloomberg share a kiss as they celebrate the beginning of the new year at New Year's Eve 2012 in Times Square on Jan. 1, 2012.
Credit: Getty Images
Go Daddy Super Bowl commercial
Bar Rafeli kisses Jesse Heiman in a Go Daddy 2013 Super Bowl commercial.
Credit: Go Daddy/YouTube
Justin Bieber and Selena Gomez
Singer Justin Bieber kisses actress Selena Gomez during the first half of an NBA basketball game as the San Antonio Spurs play the Los Angeles Lakers April 17, 2012, in Los Angeles.
Credit: AP Photo/Jason Redmond
Ellen DeGeneres and Portia de Rossi
Actress Portia de Rossi kisses TV Host Ellen DeGeneres, after finding out that Ellen DeGeneres won the Outstanding Talk Show/Entertainment award during the 35th Annual Daytime Emmy Awards held at the Kodak Theatre on June 20, 2008, in Hollywood, Calif.
Credit: Vince Bucci/Getty Images
Tom Cruise and Katie Holmes
Actress Katie Holmes and actor Tom Cruise kiss at the premiere of "War Of The Worlds" at the Ziegfeld Theatre June 23, 2005, in New York.
Credit: Peter Kramer/Getty Images
Taylor and Zira
A human and an ape in 1968's "Planet of the Apes."