1 of 13
"My workout buddy ... mama's in @caliabycarrie and the big man is in his fire truck PJs ... whatever works!" wrote the singer, captioning a sweet video of herself doing yoga poses with 2-year-old son Isaiah.
2 of 13
There's nothing better than mother-daughter yoga classes, according to the star and her 4-year-old daughter, Olive, who attended the outdoor sesh in an Elsa costume.
3 of 13
So cute: The lifestyle guru and 3-year-old daughter Carmen perfect their tree poses.
4 of 13
Not even a tropical vacation can keep the supermodel from practicing her yoga moves with 7-year-old son Benjamin.
5 of 13
Time to stretch! The actress clocks in some quality workout time with 3-year-old twin sons Tristan and Sasha.
6 of 13
JENNA DEWAN TATUM
Dewan Tatum's No. 1 piece of advice for morning runs? Recruit a pint-sized partner, like her 3-year-old daughter Everly.
7 of 13
Take it from the Thor star, who hit the treadmill with his now-3-year-old son: "The family who trains together, stays together!"
8 of 13
Lopez added an extra (cute) challenge to his push-ups in the form of Dominic, now 3, and Gia, now 6.
9 of 13
The future Aquaman is already helping kids Nakoa-Wolf, 8, and Lola, 9, hone their rock-climbing skills.
10 of 13
The Jane the Virgin actor and wife Emily brought 1-year-old daughter Maiya along to watch them sweat it out at a salsa lesson.
11 of 13
Son Eric, 18 months, and daughter Vivianne, 3, visited the New York Jets player at practice.
12 of 13
DWAYNE 'THE ROCK' JOHNSON
The Central Intelligence star helped a pint-sized fan feel like a powerhouse when she visited the set — all while secretly burning some calories. "When beautiful little 2yr old Kai visits our set and she wants to 'pull the airplane' all by herself. Well, she gets to pull the airplane... all by herself," he joked on Instagram.
13 of 13
"@boomerrphelps and I got some extra laps in today!!" the Olympian wrote about backyard exercise with now-10-month-old son.