Molly, Mariah, Ivanka, and More Celeb Moms Shared Some Sweet Snaps of Their Tots This Week!

It must be Summer because so many celebrity kids are all over the place these days! We spied cute pictures of Molly Sims's big guy celebrating his second birthday, the entire Seinfeld clan en route to a family vacation in Greece, and Kourtney Kardashian's little girl getting comfortable in the Hamptons.

Click through now 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! Source: Instagram

Molly Sims kicked off Brooks Stuber's birthday week with a kiss. Source: Instagram user mollybsims

Phyllon James got ready to cheer on his favorite teams in the World Cup. Source: Instagram user doutzen

Arthur Bleick transformed into a pirate at home with his mom, Selma Blair. Source: Instagram user therealselmablair

Penelope Disick was all decked out in her Kardashian Kids clothes. Source: Instagram user kourtneykardash

The Seinfelds jetted off to Greece for a family vacation. Source: Instagram user jessseinfeld

Mariah Carey and Nick Cannon celebrated Father's Day a little early with Monroe and Moroccan.
Source: Instagram user mariahcarey

Soleil Moon Frye snuggled with her little ones Lyric and Jagger. Source: Instagram user moonfrye

Molly Sims and Brooks Stuber celebrated his second birthday with a breakfast muffin. Source: Instagram user mollybsims

Eric Johnson held baby Ace in high regard. Source: Instagram user jessicasimpson

Ivanka Trump had a little help with her morning exercises. Arabella and Joseph provided a little extra weight for the leg lifts. Source: Instagram user ivankatrump

Alessandra Ambrosio showed off her pride for Team Brazil at the World Cup with her daughter, Anja, and her son, Noah. Source: Instagram user alessandraambrosio

James Van Der Beek chowed down on watermelon with his daughter, Olivia, on Father's Day. Source: Instagram user vanderjames