Jennifer Aniston might be best known for playing the sometimes-flirty, always-fashionable Rachel Green on Friends, but IRL, the 51-year-old actress seems remarkably down-to-earth, even when she's glammed up from head to toe. Jennifer skyrocketed to top of Hollywood's A-List in her twenties and has been in the spotlight ever since, thanks to her roles in hit romantic comedies like Along Came Polly, The Break-Up, and He's Just Not That Into You. She's acted alongside some of the biggest names in the industry, including Cameron Diaz, Ben Stiller, and Gerard Butler (just to name a few). Most recently, she's teamed up with old friend and co-star Adam Sandler for the hit Netflix movie Murder Mystery, and returned to TV alongside Reese Witherspoon and Steve Carell in Apple TV+'s The Morning Show.
And did I mention she's done it all while looking fan-tas-tic? Well, she has. From winning legendary awards to navigating very public breakups and everything in between, Jennifer has maintained her signature style and a rockin' body to boot. (The secret to her fit-at-51 physique? A li'l training technique called "periodization," according to her personal trainer, Leyon Azubuike.) Plus, she's no slouch when it comes to keeping her skin looking young—she's all about moisturization and facials to maintain that gorgeous glow.
But hey, don't just take my word for it, here are 51 photos that prove Jennifer Aniston has barely aged over the years:
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1
The Beginning
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Before she assumed the role of Rachel Green, Jennifer played Jeannie Bueller in the NBC sitcom Ferris Bueller. The show was based off John Hughes' 1986 film Ferris Bueller's Day Off.
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2
The First Friend Crew
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The role of Jeannie was held by another famous Jennifer (Jennifer Grey). The series ran for two seasons in 1990 and 1991.
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3
Jen's First Film
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Every good actor has likely starred in a really campy B-horror film. For Jennifer, that was Leprechaun. This photo was snapped in 1992 at the premiere.
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4
Classic Beauty
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In 1992, FOX tried its own version of Saturday Night Live with The Edge. Jennifer was one of the many people who lent her acting chops to the sketch show.
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5
The One That Launched Her Career
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Jen landed the role that would propel her into household recognition in 1994. Her stint on Friends is still highly regarded and talked about to this day, and for good reason.
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6
Keeping It Simple
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Jennifer has always maintained a simplicity in her wardrobe, but that doesn't mean it's bland. The woman has always known how to pull off a little black dress, and this number from 1995 is proof.
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7
Destined To Be
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Okay, whether or not you think Rachel and Ross (David Schwimmer) are the OTP, you have to admit they had that on-screen chemistry. The whole show is really just 236 episodes of their love story. It's honestly great.
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8
Behind The Scenes
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Jennifer's rom-com career really started in 1997 with the release of Picture Perfect. She starred as a woman working at an advertising agency who was denied a promotion because she was single. Jay Mohr plays the man she convinces her boss she's dating.
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9
Late Night Dame
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Look at those locks! Jen showed off her lustrous 'do on the Jay Leno Show in 1997. That was a time when fans were going to hair salons across the country and saying "I want the Rachel, please." And her hair is still iconic.
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10
Squad Goals
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Move over Taylor Swift, this cast is the OG #squadgoals. The Friends cast still gets together occasionally.
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11
A Look Of Love
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Most people assume that every on-screen couple dates off-screen, too. That was not the case for Jen and rom-com stunner Paul Rudd. The pair starred in the 1998 film The Object of My Affection, but their love for each other remained set.
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12
Vision In White
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Jen rocked this white midi to the 9th Annual GLAAD Media Awards in 1998.
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13
'90s Rom Com Icons
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The Object Of My Affection was not the last time Jen and Paul starred opposite of each other. They also appeared in the 2012 film Wanderlust, which is about a married couple that goes to a commune.
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14
The Red Carpet Couple
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Before there was Brangelina (RIP), there was Brad and Jennifer. This particular image documents the couple's red carpet debut at the 1999 Emmy Awards.
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15
Waves For Days
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Jen looked absolutely glowing at the 1999 Emmy Awards. Her dress was ornate, but she opted for beachy hair. Friends was nominated for six awards that night, including Outstanding Comedy Series.
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16
Oscar Elegance
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Jennifer showed off this plunging neckline at the Vanity Fair Oscars Party in 2000. It's a timeless, classic look.
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17
Jennifer, The Emmy Winner
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Jen earned her first—and so far only—Emmy for Best Actress in a Comedy Series. The award was obviously for her performance as Rachel in Friends.
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18
The Stock Guy And The Clerk
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Jennifer plays a clerk in the 2002 film The Good Girl. She strikes up an affair with a guy who thinks he's Holden Caulfield from The Catcher in the Rye. Worth the watch for the bizarre plot.
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19
A Golden Globe, Too?!
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Friends also led Jen to a Golden Globe Award in 2003. There is no one more deserving.
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20
Two-Time SNL Host
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Jen returned as the host of SNL in January 2004. The first time she hosted was in 1999, and she killed it both times.
Lindsay Geller is the Lifestyle Director at Women’s Health, where she oversees the Life, Sex & Love, and Relationships sections on WomensHealthMag.com and the Mind section of Women's Health magazine. When she's not writing or editing articles about the latest dating trends and pop culture phenomenons, she's usually watching reality TV or playing with her dog, Lucille (Go Fetch That) Ball.