The Pearly White Stuff
Say cheese! It's National Smile Power Day! You know Carly Simon has reason to celebrate. Now click through for 25 more snapshots that capture some of the most famous smiles of all time.
John Travolta and Nancy Allen
Between takes on the set of 1976's "Carrie."
The soon-to-be Princess Grace aboard the SS Constitution, on her way to Monaco to marry Prince Rainer III in the 1956 "Wedding of the Century."
In the South of France for the 2016 Cannes Film Festival.
Paying a visit to his grandmother in 1949.
In the early '80s, enjoying a bit of downtime between "Urban Cowboy" and "An Officer and a Gentleman."
In 1966—just a great year to be B.B.
Enjoying her mid-'80s "What's Love Got to Do With It" comeback as a solo artist.
Flashing that killer smile in 1974, the year he starred in "Chinatown."
The Cockney kid turned supermodel relishes a moment during her 1967 tour of America.
With his face covered with coal dust for his role in 1970's "The Molly Maguires."
Paul Newman and Joanne Woodward
In 1963, five years into what would become a 50-year marriage.
The Divine Miss M in 1978.
At a 1998 wildlife benefit held at the Planet Hollywood in Beverly Hills.
The reggae legend in London, 1978.
At her San Francisco home in the fall following the Summer of Love.
In 1962, the year after she starred in "West Side Story."
Hard to believe she played a depressed housewife in 2007's "Premonition" around the time this photo was taken.
Although he seems to be taking a happy pill in this 1960 photo, it's actually medication for a case of laryngitis.
Visiting Paris in 1958, the year she co-starred with Cary Grant in "Houseboat."
The King makes a phone call.
Smiling guilelessly on the set of 1960's "Let's Make Love."
Showing those dimples.
In 1972, the year after she released "Tapestry."
With her husband Mel Ferrer on a country road outside Paris in 1956.
She summed it up with this song back in the '50s: "When you're smiling / When you're smiling / The whole world smiles with you."
20 things you may not know about the Borscht Belt entertainer turned Hollywood filmmaker and comedy legend
12 timeless trends spotted 48 years ago today on Yasgur's farm
What happens when a movie set turns into a battleground
12 prime examples of the Material Girl's unique ability to push everybody's buttons
The artist formerly known as Rhoda reflects on life and death—but mostly life
The backstory on one of the greatest actors of all time