At just 2-years-old, Gerber put on a funny face for the camera in 2003, dressing up as Minnie Mouse.
The brunette beauty already started cheesin' in 2006 when she was photographed at the Runway for Life event, benefiting St. Jude Children's Research Hospital.
Gerber posed on the red carpet at the premiere of High School Musical 2 in August 2007.
The 6-year-old was all smiles while wearing her "Juicy Queen" shirt before watching Mary Poppins on Broadway.
Gerber looked adorable arriving at Miley Cyrus' Sweet 16 birthday party at Disneyland.
Gerber attended Alex's Lemonade Stand benefiting children's cancer research at Madame Tussauds Hollywood in 2010, looking pretty in pink plaid.
When she was 10-years-old, Gerber dressed up for the opening night performance of Spider-Man Turn Off The Dark in New York City.
Gerber was all smiles posing for the camera at the Malibu Boys And Girls Club Gala in 2013.
The model attended an event for her father, Rande Gerber's company Casamigos Tequila, looking cute in a tank and shorts.
A 13-year-old Gerber looked gorgeous posing on the red carpet at Teen Vogue's 12th Annual Young Hollywood issue launch in 2014.
The brunette beauty started growing up in 2015, looking gorgeous while posing for a photo at VH1's Barely Famous premiere screening.
What a transformation! The 14-year-old stunned in gray at Teen Vogue's 13th Annual Young Hollywood party in September 2015.
Gerber put those Juicy Queen shirts aside for some serious fashion at her mom, Cindy Crawford's book release party for Becoming.
The model looked effortlessly chic while striking a pose at the premier of Lifetime's Sister Cities.
Gerber proved she has what it takes to hang with the models of New York Fashion Week, posing at the Maybelline kick-off party in September 2016.
Gerber looked gorgeous in black while leaving the The Daily Front Row's 4th Annual Fashion Media Awards.
The 15-year-old was ready for the spotlight as she was honored during Marc Jacobs Beauty Celebrates Kaia Gerber party.
Gerber strutted her stuff down the catwalk during Alexander Wang's show at 2017 NYFW.
The 16-year-old model looked fierce in this yellow, animal-print getup during 2017 Milan Fashion Week.