We're not sure if you remember the first time you saw Ann-Margret in "Bye Bye Birdie" or "Viva Las Vegas," but we certainly can't shake that memory. The Hollywood icon remains just as stunning today.
Jessica Chastain has turned heads with her acting -- and her red hair -- earning back-to-back Academy Award nominations for "The Help" and "Zero Dark Thirty" in 2012-13 and then starring in "Interstellar" and "The Martian."
Whether it's "American Pie," "Buffy the Vampire Slayer" or "How I Met Your Mother," Alyson Hannigan has always had our attention.
Even though Emma Stone went blond for "The Amazing Spider-Man" and its sequel, claiming it was her original hair color, the "La La Land" Oscar-winner is still one of our favorite redheads.
Over the course of more than two seasons from 2010 to 2012, redheaded Scottish actress Karen Gillan had sci-fi geeks' hearts fluttering by playing Amy Pond on the BBC series "Doctor Who." She's now playing Nebula in the "Guardians of the Galaxy" movies.
Playing teenage vampire Jessica Hamby on HBO's "True Blood," Deborah Ann Woll made being undead look pretty good. She can now be seen in the Netflix series "Daredevil."
Scarlett Johansson has gone red multiple time, most notably to play Black Widow/Natasha Romanoff in the Marven Cinematic Universe.
It didn't last long, but Christina Aguilera rocked a redheaded look for a June 2016 concert fundraiser for Hillary Clinton.
Amy Adams' Oscar-nominated work in the movie "Junebug" brought her to the attention of Hollywood and Disney's "Enchanted" helped make her a star. But the redhead has hardly stopped there, earning four more Oscar nods for "Doubt," "The Fighter," "The Master" and "American Hustle."
Although it was a short-lived look, Rachel McAdams briefly became our favorite redheaded Aussie when she died her hair in 2013.
Born in Hawaii, but raised in Australia, Nicole Kidman will always be one of our favorite red-headed Aussies.
"Mad Men" had a lot of things going for itself, but one of the best was Christina Hendricks' character, Joan Harris.
Julia Roberts once said she has "mood hair" that doesn't have a natural color, but when she goes red it's always an eye catcher.
Dana Delany has been one of our favorite female celebrity redheads dating back to her "China Beach" days.
Actress Julianne Moore will always have a special place in the pantheon of those with red locks and freckled fair skin.
That snow-white skin, the bright red locks, a stunning voice. What's not to love about Florence Welch of Florence and the Machine?
In 2011, Blake Lively, she of "Gossip Girl" fame, ditched her blond hair for some more fiery tresses and it was more than fun while it lasted.
We need more redheaded country singers like Gloriana's Rachel Reinert.
Jayma Mays had roles in "Paul Blart: Mall Cop" and the TV show "Heroes," but it was her role on "Glee" that earned her stardom.
Her big breakout may have been as part of an ensemble on "Grey's Anatomy," but Kate Walsh, and her auburn hair, landed her own show in "Private Practice."
Kristen Stewart lit up the screen with roles in "Into the Wild" and "Jumper," but it was "Twilight" that made her a star.
Depending on when you catch her, you may see Lindsay Lohan displaying something similar to the original redheaded look she rocked back in her "Mean Girls" heyday.
Marcia Cross is one of several reasons viewers tuned into "Desperate Housewives" each week.
Bryce Dallas Howard, known for movies such as "The Village," "The Twilight Saga: Eclipse," "The Help" and "Jurassic World," inherited father Ron Howard's hair color.
It's a dye job and her "Spider-Man 3" co-star Bryce Dallas Howard wins out as a natural redhead, but we loved Kirsten Dunst before she went red to play Peter Parker's girlfriend Mary Jane Watson in Sam Raimi's comic book movie trilogy so we aren't going to stop now.
Born to Scottish parents in Oman, Isla Fisher grew up in Australia and won over audiences and the heart of Vince Vaughn's character in "Wedding Crashers."
For 12 seasons, Marg Helgenberger turned heads each week amidst the bright lights of Las Vegas on the original "CSI."
We tuned into TV's "The Office" mostly for the humor but that's not to say the allure of Jenna Fischer didn't play a part as well.
When "The Office" needed a new receptionist, it turned to Ellie Kemper to take over for Jenna Fischer. The redhead has been showing off her perky and upbeat style of comedy ever since, appearing in movies such as "Bridesmaids" and "Sex Tape" and landing the lead in Tina Fey's fish-out-of-water Netflix sitcom "Unbreakable Kimmy Schmidt."
These days her hair color seems to change with her moods, but it was Tori Amos' stunning red hair that first made an impression on fans.
Once told by the founder of the Ford Modeling Agency that redheads "don't sell," Angie Everhart has been proving them wrong since.
Jenny Lewis, a former child actress and the lead singer of the now-defunct rock band Rilo Kiley, broke out with her well-received solo debut "Rabbit Fur Coat" in 2006 and followed it up with "Acid Tongue" in 2008 and the "The Voyager" in 2014. The redheaded singer also performs with her boyfriend, fellow singer Johnathan Rice, under the moniker Jenny and Johnny.
Who knows? It may be true that blondes have more fun, but redhead fans still had to wonder why "That '70s Show" star Laura Prepon would dare change her hair color late in the show's run. Of course, these days she's more likely to be sporting the jet black hairdo of her "Orange Is the New Black" character.
Don't let her usual raven locks fool you. When Rose McGowan lets her natural hair color out, it's nearly as memorable as her red-carpet outfits.
"X-Files" may have ended its original TV run long ago, but Gillian Anderson will always be our Scully. Luckily for us, she came back for the series' limited-run revival, albeit without the red hair.
She won an Emmy and was nominated for four more for her stint on "Will & Grace," but Debra Messing will always be a winner with redhead devotees everywhere.
Susan Sarandon has come a long way since first catching our attention in "The Rocky Horror Picture Show." The actress, now in her 60s, is still garnering our attention.
Lauren Ambrose is known to fans of the HBO series "Six Feet Under" as the copper-topped, fair skinned, lime-green-hearse-driving Claire Fisher.
Alternative country singer Neko Case has been wowing audiences with her music, and her bright red hair, for well over a decade.
Molly Ringwald is still as stunning today as she was in her 1980s "Brat Pack" teen movie heyday.
Claire Danes looks gorgeous no matter what her hair color. But call us crazy if we prefer the red-headed Danes the best.
She may be almost freakishly tall, but Geena Davis is also still freakishly beautiful.
Amber Tamblyn broke out in the cult-favorite TV show "Joan of Arcadia" and took over for Sarah Michelle Gellar in scarefest "The Grudge 2." We just think she's so beautiful it's scary.
No matter what anybody tells you, we did NOT watch "Dr. Quinn, Medicine Woman." OK, maybe we did, but with Jane Seymour, who can blame us?
We had once wondered what had happened to one of our favorite redheads from the 1990s, but that was before we found Gabrielle Anwar, of "Scent of a Woman" fame, making a comeback on the USA Network drama "Burn Notice," which wrapped up in 2013.
Gemma Arterton first caught audiences' attention playing Bond girl Strawberry Fields in "Quantum of Solace." Since then, she's gone on to appear in films such as "Clash of the Titans," "Prince of Persia: The Sands of Time" and "Hansel and Gretel: Witch Hunters."