Olivia Newton-John played good girl Sandy and John Travolta played bad boy Danny in 1978's Grease. The two opposites attracted and then fell in love in the movie. They launched a friendship that has lasted four decades off-screen.
It is not hard to figure out who the shaggy-haired cutie on the left is. Yup, it is none other than the former American president, Barack Obama.
Monroe was born Norma Jeane Mortenson in Los Angeles on June 1, 1926. She decided to serve her country during WWII and assembled drones in a radio plane factory in California. Would you have guessed that was her?
Before the two of them were elected presidential candidates, Bill attended Yale Law School and met fellow law student Hillary on campus. You can see the passion and enthusiasm that they had for each other in the early days of their romance.
After WWII ended, the US government created a sheet of different disguises that Hitler might be wearing. They hoped that nobody would miss the opportunity to capture him.
The Beatles were the best-selling band in history, with estimated sales of over 800 million physical and digital albums worldwide. It was a great loss for the world of music when they announced their break-up. This is the last photo believed to have been taken of the Beatles together in 1969.
Wow! Check out this aerial view of the Met Stadium, completely sold out for the Eagles on their Hotel California Tour in 1978.
Robin Williams dressed and performed as a mime on the street in 1974.
Running for president is hard, and actually being president is even harder. Abraham Lincoln aged significantly during his four years in office.
The two met in 1956, when both were 30, at the premiere of The Battle of the River Plate.
This hand-crafted print shows the King after his arrest, the details of which remain confusing to this day. In some reports, the photos were taken as part of Elvis' tour, perhaps as a souvenir. In other reports, the photos were for his Bureau of Narcotics and Dangerous Drugs Special Assistant badge.
British comedy writer, comedian, and actor Martin Alan Marty Feldman is known for his prominent, misaligned eyes and his starring roles in hit television comedy series.
Jazz fans being mesmerized by Big Jay McNeely's performance in 1953.
A well-respected president, WWII Major General Dwight D. Eisenhower allegedly had an affair with his secretary, Kay Summersby,
Einstein sunbathing on a reclining deck chair with a pipe in Palm Springs, CA on January 11, 1932.
Wyman and Reagan got married in 1940 only to divorce in 1948. Reagan had affairs with 17 different women during their marriage.
President Ford falls as he steps off of Air Force One. He had many recorded falls during his presidency due to an athletic injury to his knee from his younger days.
As the frontwoman for The Runaways, Joan Jett became a female pioneer in the male-dominated world of rock music. She was also a songwriter, producer and occasional actress. Here we have a rather stunning Joan Jett in a red jumpsuit back in 1977.
Released in theaters nationwide on Nov. 6, 1968, Head was the Monkees last real hurrah as a pop phenomenon of the '60s. Here's a great picture from the movie: Mike Nesmith hanging out with Jack Nicholson in their dressing room.
"Oh, God!" is a 1977 American comedy film starring George Burns and John Denver. The story follows an unassuming supermarket manager Jerry Landers (Denver), chosen by God (Burns) to spread his message despite the skepticism of the media, religious authorities, and even his wife.