Jessica, Tiffani, Molly, and More Shared Sweet Snaps of Their Tots This Week!

You know how we know we're reaching Summer's midpoint? Just check out all of the pictures of celeb tots at the beach! They can't get enough of the water! From Rachel Zoe's boys soaking up the sun in the Hamptons and Tiffani Thiessen's daughter learning to surf, to Kim Kardashian's little one's first swim lesson and Michael Bublé's son's afternoon in the sea, celebrities and their kids are waterlogged!

Click through to see this week's cutest celeb-tot candids — all shot by Mom or Dad — and don't forget to follow POPSUGAR Moms on Instagram, Facebook, Pinterest, and Twitter!

01

Beyoncé and Jay Z continued their Summer fun by swinging Blue Ivy around. Source: Instagram user beyonce

02

Molly Sims traveled cross country with 2-year-old Brooks, who got a bit antsy! Source: Instagram user mollybsims

03

Arabella Kuschner celebrated her birthday with a Frozen party. Source: Instagram user ivankatrump

04

Harper Smith went kayaking with her dad, Brady, while vacationing in the Hamptons. Source: Instagram user tathiessen

05

Noah and Michael Bublé enjoyed some vacation time on the beach. Source: Instagram user michaelbuble

06

Rachel Zoe grabbed a seaside smooch from her little one, Kaius, while vacationing in the Hamptons. Source: Instagram user rachelzoe

08

Birdie Silverstein played at the beach with her cousin. Source: Instagram user busyphilipps

09

Selma Blair and Arthur Bleick had some birthday fun on the beach. Source: Instagram user therealselmablair

10

Maxwell Johnson and a friend hung out at home. Source: Instagram user jessicasimpson

11

Ace Johnson got a bird's eye view of what was ahead during his ride down the street. Source: Instagram user jessicasimpson

12

Hilary Duff shared an adorable snap of her little one, Luca, while she was working across the country. Source: Instagram user hilaryduff

13

Arabella Kushner looked right at home on the big John Deere tractor — or maybe she was getting involved in the family business. Source: Instagram user ivankatrump

15

Soleil Moon Frye's girls had a fun dinner with Rebecca Gayheart's tots. Source: Instagram user moonfrye

16

Harper Smith got up on a surfboard on her first wave! Source: Instagram user tathiessen

17

Kim Kardashian gave little North a kiss after she completed her first swim lesson and took her first steps. Source: Instagram user kimkardashian

18

Brooks Stuber practiced his putting skills on the mini golf course. Source: Instagram user mollybsims

19

Christy Turlington's daughter Grace Burns inherited her mom's running skills, which she demonstrated on the beach. Source: Instagram user cturlington