Who didn't dream about being triplets with Mary-Kate and Ashley Olsen ? We watched them grow up — first when they warmed our hearts as Michelle Tanner on Full House and now as they take over the sartorial world with their multiple fashion brands. As the duo built their empire, they've shown off plenty of different hairstyles and colorful makeup looks. Celebrate their 28th birthdays with us by reliving some of their top moments.
— Additional reporting by Aemilia Madden
Back in 1993, Mary-Kate and Ashley were living up their fame as Michelle Tanner on Full House. The pair was spotted at Planet Hollywood in coordinated pink and white outfits with blunt bangs, high ponytails, and big bows.
The two wore matching ensembles at the annual Writers Guild of America Awards back in 1994. They topped off their looks with ringlets and floral crowns.
At the 1997 Audrey Hepburn Hollywood For Children Family Film Festival, the pair got groovy in silk floral outfits, chin-length cuts, and purple sunglasses.
For the 1999 premiere of Anna and the King, Mary-Kate and Ashley may have worn coordinating outfits (again!), but this time they had different hair lengths, which were both flipped out.
The two were out at a record release party for *NSYNC back in 2001. They both wore their hair straightened with pink blush and lip gloss.
Arriving at the Daytime Emmys back in 2002, the pair both wore soft waves and a romantic makeup look.
At The Last Samurai's premiere in 2003, Mary-Kate showed off a brunette mane, while Ashley went for blond.
In 2004, they made an appearance on MTV's TRL. Mary-Kate wore her strawberry blond hair pinned up and a contrasting blue eyeliner, while Ashley showed off blond hair with bangs.
At the 2005 amfAR Gala, they both went with textured curls. However, Ashley stayed blond, while Mary-Kate was still flaunting reddish-tinged hair.
Mary-Kate rocked her boho-chic style at the 2006 CFDA Awards with tousled waves and a burnt red lipstick. Ashley went dark with brunette hair, which she complemented with soft makeup and a pink lip.
At the 2007 CFDA Awards, both girls went with a smoky eye. But Ashley opted for a more sleek look with pulled-back hair, while Mary-Kate went with long, textured waves.
For the signing of their book Influence in 2008, the pair went for a similar look with blond waves and natural-looking makeup.
At a 2009 event for their fashion label Elizabeth and James , the two went for another similar look, except Ashley had a slightly shorter cut.
At the 2011 Metropolitan Opera Gala, both went for burnished smoky eyes. But Ashley pulled her hair back and finished the look with lip gloss, while Mary-Kate went with a matte brick lipstick and a skinny side braid.
Later in 2011, the two were out celebrating Fashion's Night Out with light blond hair. Mary-Kate stuck to her signature waves, while Ashley went with a sleek updo.
At a Christian Louboutin  cocktail party in 2011, the pair dressed up in black with matching beauty looks.
By the 2012 CFDA Awards, Mary-Kate was back to darkened hair. This time she went for a straightened look, while Ashley went for a textured updo.
At 2012's WSJ. Magazine's Innovator of the Year Awards, Ashley showed off long blond waves, and Mary-Kate went with a messy topknot.
At the 2013 CFDA Award nominations, Ashley and Mary-Kate both had light blond hair, which they paired with a nude makeup palette. Ashley wore her hair down in waves, while Mary-Kate opted for a chic topknot.
Later in 2013, the pair rocked on-trend pink eye makeup at the Lexus Design Disrupted Event. Mary-Kate also changed up her style by wearing her blond hair tucked into her outfit.
At the Estée Lauder Modern Muse fragrance launch party in 2013, Mary-Kate and Ashley both strayed away from their usually neutral makeup look for a dramatic smoky eye instead.
While Ashley kept her long blond locks styled simply, Mary-Kate slicked back the crown of her shorter style at the Elizabeth and James  Sephora  VIB Rouge Event in 2014.
At the 2014 Met Gala, Mary Kate slicked her hair back into a loose bun while Ashley pulled hers back into a low ponytail.
Ashley and Mary-Kate sported matching natural makeup and center-parted hairstyles at the 2014 CFDA Awards.