The first - and most enduring - style barrier she broke was playing Laura Petrie on The Dick Van Dyke Show, an average '60s housewife who favored progressive cigarette pants over traditional housedresses.
2 of 19
And although her character is most associated with casual wear, Mary pulled out every glamorous stop for the Emmy Awards, wearing a floral-embroided gown with a retro high pony.
3 of 19
The Mary Tyler Moore Show's opening credits are famous for the theme song, her infectious smile and the iconic knit hat she tosses into the air, twirling around in her double-breasted peacoat.
4 of 19
As the news producer Mary Richards, she favored wearing chic separates like this tweed blazer, white blouse and elegant scarf worn as a tie.
5 of 19
From her shearling-trimmed coats to her white leather boots, her character Mary Richards captured the epitome of '70s Go Go-girl style.
6 of 19
Her one-shouldered printed, ruffled dress and elegant updo at the Emmy Awards was simple, classic and still stands the test of time today.
7 of 19
Playing a pioneering single career woman on TV, Mary suited herself with a wardrobe full of trendy, contemporary pieces that were as bold as her personality, as seen in this head-turning yellow checkered pant suit.
8 of 19
We'd gladly take her white suit with matching turtleneck in our wardrobe today.
9 of 19
The cast of The Mary Tyler Moore Show all took home top honors at the 1976 Emmy Awards, and Mary should have definitely taken home "best dressed" for her shimmery beaded halter gown.
10 of 19
She finished The Mary Tyler Moore Show as fashionably as she started in a hallmark fitted suit and turtleneck shirt.
11 of 19
You don't even have to check the date to know she's pictured here in the late '70s with her bell-bottom, high-waisted jeans, denim jacket, tie-neck blouse and platform boots.
12 of 19
Trendy chokers of today can't compare to the way she ingeniously tied her scarf into a chic statement piece at the Tony Awards.
13 of 19
She had a major princess moment in her ombré lilac one-shoulder ball gown accessorized with a delicate bow at the 1981 Academy Awards.
14 of 19
Mary doubled down on the florals for the spring auction party at the New York City Opera wearing a tropical-print skirt worn with a crisp white button-down and wide belt.
15 of 19
The actress's style remained so classic and streamlined that even the oversize details of the '80s couldn't alter it much, as seen in this bow-adorned strapless dress.
16 of 19
On a very glamorous date night with husband Dr. Robert Levine, she shone in a embellished, glittery gold off-the-shoulder gown paired with a blinding wreath-style necklace.
17 of 19
She was a very early adopter of creature couture, sporting a dragonfly brooch on her strapless ball gown at a charity event for the Juvenile Diabetes Research Foundation.
18 of 19
The bold, colorful, polka dot shift dress she wore to receive her star on the Hollywood Walk of Fame was the perfect choice to celebrate her funny, bold, impactful career.
19 of 19
She arrived at the 2008 Emmy Awards in a body-hugging black halter gown that proved she hadn't aged a day since she first graced our TVs in the '60s.