Brooks, Harper, Maxwell, and More: Celeb Parents' Best Photos of the Week

From frigid temperatures in the East to a heat wave in the West, the weather didn't stop celebrity parents from taking their tots on plenty of adventures this week. We spied Jessica Simpson's adorable Maxwell getting a sky-high lift from her dad, Tiffani Thiessen's little Harper cooling off from the California heat wave with some frozen yogurt, and Madonna's girls celebrating Mercy's big birthday together.

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

Jaime King shared this adorable snap of her son, James, before his bath time.

Gwen Stefani shared a photo of her baby bump, saying, "bump it #allblack #inappropriateshoes #capturethemoment #miracle."

Brooks Stuber played a little game of peekaboo with his mom, Molly Sims.

Maxwell Johnson took flight on a fun afternoon with her dad, Eric.

Ace and Maxwell Johnson received one-handed lifts from their dad, Eric, in the backyard.

Hattie McDermott sported braids for the very first time.

Sascha Seinfeld gave the seal of approval to Cameron Diaz's new Body Book under the watchful eye of her brother.

Harper Smith's Sunday fun day included a stop for frozen yogurt.

Mariah Carey soaked up some time with little Monroe on Martin Luther King, Jr. Day.

Moroccan Cannon and Mariah Carey celebrated Martin Luther King, Jr. Day together.

Busy Philipps had a little visitor — Birdie! — backstage at her Ellen taping.

Sweet Arabella Kushner was warm and toasty for her indoor s'mores session.

Ivanka Trump made the most of the snowy weather by creating a living room campout for Arabella and Joseph Kuschner, complete with s'mores, pizza, and flashlights.

Michael Bublé showed off his new tattoo, which seemed to receive the approval of baby Noah.

Madonna's daughters took a moment to celebrate Mercy's eighth birthday.

Rachel Zoe got a sweet smooch from her eldest son, Skyler.

North West got a little support from her older cousin, Penelope Disick.

Luca Comrie is looking more and more like a blond version of his dad — including a hockey player-sized bruise.