We take a look back at some of the most talented breakout stars throughout the years.
Rogers' onscreen footwork, alongside Fred Astaire, made her a true icon of the early 1930s.
The Academy Award that Davis won for her performance in this year's film Dangerous would set the tone for her immensely successful career in the years to come.
After acting in a number of earlier silent films, Garbo continued to steal the show in films with sound. Her 1936 film, Camille, earned Garbo her third Oscar nom — and, of course, the "It Girl" title.
Long before another It Girl with the same last name took to the silver screen, this Hepburn won over viewers with a number of iconic 1930s performances.
The "First Lady of Song" put out her first No. 1 hit, "A-Tisket, A-Tasket," this year.
Garland brought her singing and acting skills together as Dorothy in 1939's forever-beloved film version of The Wizard of Oz.
Alfred Hitchcock's 1940 film Rebecca was what really rocketed this It Girl into the spotlight.
Two years prior, Leigh played Scarlett O'Hara in Gone With the Wind. Need we say more?
Aside from being one of the most iconic actresses of her time, Lamarr was also an inventor: She and friend George Antheil patented a radio signaling device, meant to keep war enemies from decoding messages, this year. You go, girl!
Grable's superstar power reached far beyond her widely acclaimed "Million Dollar Legs" — she was voted the No. 1 box office draw by American movie exhibitors this year.
Dubbed "The Great American Love Goddess" by LIFE magazine, Hayworth was one of the most popular movie actresses of the 1940s.
Crawford showed us the power of a comeback when she stunned us with (and earned an Academy Award for!) her title role in Mildred Pierce.
Gardner became a star after her 1946 role in the movie version of Ernest Hemingway's The Killers.
A true legend, Day added "actress" to her resume in the late 1940s. (Fun fact: She was already the highest-paid vocalist in the world by the end of 1946.)
Shore's hit track "Buttons and Bows" was the No. 1 most popular song for 10 weeks this year.
An American jazz legend, Vaughan — a.k.a. "The Divine One" — achieved chart-topping success in 1949 with her hit, "Black Coffee."
Reynolds has held many an iconic role over the years (think Kathy in Singin' in the Rain and, more recently, Bobbi on Will & Grace), but her career really began with her 1950 breakout role in Three Little Words.
This It Girl might just also be our favorite funny girl of all time. It was this year that the iconic I Love Lucy made its debut.
Before becoming the Princess Consort of Monaco, Kelly began her path to stardom with a role in the Western film High Noon.
This year's It Girl needs no introduction … but we will remind you that, in 1953, she became one of Hollywood's most profitable stars thanks to her roles in Niagara, Gentlemen Prefer Blondes and How to Make a Millionaire.
Dandridge's stunning performance as the title character in this year's Carmen Jones led her to become the first African-American actress to win an Academy Award.
Wood was only 16 when she starred alongside James Dean in 1955's Rebel Without a Cause.
French model and actress Bardot starred in this year's daringly sensual film And God Created Woman, earning her place as an international icon.
Italian actress Loren — and her iconic eyebrows — stole the hearts of many through the 1950s and beyond. (She was even the first to win a Best Lead Actress Oscar for a foreign-language film!)
Still a beloved actress today (we loved catching her in Downton Abbey), MacLaine earned her first Oscar nom for 1958's Some Came Running.
Dee acted as an iconic and poignant Ruth Younger in the Broadway production of A Raisin in the Sun before she went on to play the same role in the movie version two years later.
Fans were surely scared to take showers after seeing her .
What's more glamorous than Hepburn in this black dress, cigarette holder placed elegantly in hand, jewelry dripping from her neck as Holly Golightly in Breakfast at Tiffany's? She can look put-together yet convey loneliness so perfectly.
Moreno won the Oscar for her breathtaking portrayal of Anita in West Side Story.
She proved her worth as the lead in Cleopatra, whose $1 million budget made it the most expensive movie of its time.