17 Celebrity Kids Making Instagram Adorable

They grow up so fast! This saying seems to ring especially true for celebrity kids, who sprint through their childhoods in the spotlight. Just this year, we've been mesmerized by how much Ava Phillippe has taken after her parents, Reese Witherspoon and Ryan Phillippe, and how Brandon Lee is already a heartbreaker like Pamela Anderson and Tommy Lee. The surprises keep on coming as these famous kids join Instagram and give us a behind-the-scenes look at their worlds. Read on to learn about what they share on social media, then see celebrity children following in their parents' footsteps on the red carpet.

James Broderick, 12
Instagram | w1lkie

James Broderick, 12

Picture Carrie Bradshaw preaching to her son about social media. It's not completely unrealistic, since Sarah Jessica Parker and Matthew Broderick's eldest is a regular on Instagram. Besides sweet family snaps, James also seems to be a fan of selfies.

Follow James: w1lkie

Iris Apatow, 12
Instagram | irisapatow

Iris Apatow, 12

Judd Apatow and Leslie Mann's youngest daughter hung out with Dave Franco and Zac Efron at the 2015 MTV Movie Awards while other kids were watching at home. Before that, she got to hit the red carpet with her proud dad. If this is a foreshadowing of what's to come in Iris's teen years, you'll want to keep up with her on Instagram.

Follow Iris: irisapatow

Maude Apatow, 16
Instagram | maude_apatow

Maude Apatow, 16

Maude (second from the left) is not hurting for access in Hollywood, but she also shares your typical teenager moments. Like most kids of driving age, Maude is all about capturing memories with pals, including the ideal pre-prom portrait.

Follow Maude: maude_apatow

Kaia Gerber, 13
Instagram | kaiagerber

Kaia Gerber, 13

Really, that's not Cindy Crawford with Ansel Elgort — it's her and Rande Gerber's only daughter, Kaia, who looks mature beyond her 13 years. Kaia not only got her mom's good looks, but also the modeling bug. By age 10, she had already appeared in a Versace campaign. Stay tuned for more.

Follow Kaia: kaiagerber

Ava Phillippe, 15
Instagram | avaphillippe

Ava Phillippe, 15

Reese Witherspoon and Ryan Phillippe's daughter is 15 now. Yes, 15! She's no typical teenager, though. You can find Ava on vacation with her look-alike mom, hanging out with her cool dad, and taking in sunny SoCal.

Follow Ava: avaphillippe

Phoenix Brown, 16
Instagram | phoenixisphoenix

Phoenix Brown, 16

Believe it or not, a Spice Girl has a daughter of driving age. Mel B's daughter Phoenix took to Instagram in June 2015 to show off her new set of wheels. The photo shows Phoenix striking what looks like — dare we say it? — a Mel C pose.

Follow Phoenix: phoenixisphoenix

Sofia Richie, 16
Instagram | sofiarichie

Sofia Richie, 16

One might feel a lot of pressure being related to a Simple Life star and the guy who gave us "All Night Long," but Nicole Richie's younger sister and Lionel Richie's second daughter is holding up just fine, thank you very much. Already a rising fashion superstar, Sofia is well on her way to 1 million followers on Instagram.

Follow Sofia: sofiarichie

Brandon Lee, 19
Instagram | brandonthomaslee

Brandon Lee, 19

Pamela Anderson and Tommy Lee's son is an adult now, which means he'll gram a snap of his Champagne bath if he wants to. The teen is still a mama's boy, though — in March 2015, Brandon was Pamela's adorable date at the premiere of The Gunman in LA.

Follow Brandon: brandonthomaslee

Justin Dior Combs, 21
Instagram | princejdc

Justin Dior Combs, 21

Justin was just a little boy when when Sean "Diddy" Combs hit the big-time at the helm of Bad Boy Records. Nowadays, he's a defensive back on the UCLA football team.

Follow Justin: princejdc

Lily-Rose Depp, 16
Instagram | lilyrose_depp

Lily-Rose Depp, 16

When it comes to Johnny Depp and Vanessa Paradis's daughter, the apple doesn't fall far from the tree. At just 16, Lily's stylish Instagrams prove she takes after both of her famous parents.

Follow Lily-Rose: lilyrose_depp

Cymphonique Miller, 18
Instagram | officialcymphonique

Cymphonique Miller, 18

Master P's daughter is past her dad's shoulders — and following in his footsteps. This multi-talented beauty is pursuing careers in singing, songwriting, and acting, and she's sharing every step of the way online.

Follow Cymphonique: officialcymphonique

Paris Jackson, 17
Instagram | thatjacksonchickk

Paris Jackson, 17

The late Michael Jackson's only daughter is an open book on Instagram. Paris shares fun pictures of her adventures, photos of cute dates, and throwback snaps of her dad.

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Rocco Ritchie, 14
Instagram | tryadum

Rocco Ritchie, 14

Focus on the guy on the left. Do you see his resemblance to Madonna and Guy Ritchie? The former couple's teen has an Instagram that captures his carefree personality.

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Willow Smith, 14
Instagram | gweelos

Willow Smith, 14

She took a break from whipping her hair back and forth in spotlight, and now Willow is set to make a musical comeback. Will Smith and Jada Pinkett Smith's daughter showed off her new sound and look with the music video for "F Q-C #7" in May 2015.

Follow Willow: gweelos

Meadow Walker, 16
Instagram | meadowwalker

Meadow Walker, 16

Meadow leads a decidedly tame life away from the limelight, posting pictures of her fun outings with friends. On special occasions, she shares throwback photos honoring her late dad, Paul Walker.

Follow Meadow: meadowwalker

Brooklyn Beckham, 16
Instagram | brooklynbeckham

Brooklyn Beckham, 16

Victoria and David Beckham's first child is all grown up! When he's not posting cute pictures with famous people, the 16-year-old shares sweet family moments.

Follow Brooklyn: brooklynbeckham

Jaden Smith, 16
Instagram | christiaingrey

Jaden Smith, 16

Will Smith and Jada Pinkett Smith's son may only be 16 years old, but he's already managed to catch the world's attention with his confusing social posts and Batsuit.

Follow Jaden: christiaingrey