Have Fun With Your Favorite Stars in This Week's Cutest Candids

By Alyse Whitney

Updated on 6/28/2014 at 11:30 PM

One of the best parts about following celebrities on Instagram is seeing their goofy antics. Some of the hilarious highlights this week were when the Pitch Perfect 2 cast captured a fun duck-faced moment, Reese Witherspoon matched with her stunt double on set, Kim Kardashian celebrated her daughter North West's first birthday with a big bash, and Amanda Seyfried had a twinning moment with her dog.

Keep reading to see all that and the rest of this week's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram, Facebook, and Twitter!

Source: Instagram

Victoria Beckham wore a hard hat and a bright vest for an architect meeting. Source: Instagram user victoriabeckham

Josh Duhamel got really excited about the World Cup with his son, Axl! Source: Instagram user joshduhamel

Kim Kardashian revealed her new blond 'do . . . but it's just a wig! Source: Instagram user kimkardashian

Britney Spears shared a sweet photo with her sons, Jayden and Sean. Source: Instagram user britneyspears

Reese Witherspoon hung out with her stunt double. Source: Instagram user reesewitherspoon

Drew Barrymore sipped lemonade from two local kids' stand. Source: Instagram user drewbarrymore

Selena Gomez rocked a bikini. Source: Instagram user selenagomez

Jessica Simpson gave a sexy pose for her fiancé, Eric Johnson. Source: Instagram user jessicasimpson

Kim Kardashian and Kanye West celebrated their daughter North West's first birthday with #Kidchella. Source: Instagram user kimkardashian

Kelley Jackle, Anna Kendrick, Anna Camp, and Brittany Snow made fish faces on the Pitch Perfect 2 set. Source: Instagram user annakendrick47

Miley Cyrus had crazy fun on tour. Source: Instagram user mileycyrus

Gisele Bündchen and Tom Brady's daughter, Vivian, got a lift on Tom's shoulders. Source: Instagram user giseleofficial

Alessandra Ambrosio sipped from mugs with her son, Noah. Source: Instagram user alessandraambrosio

Ian Somerhalder posted the cutest throwback photo. Yes, he's the one in the stripes. Source: Instagram user iansomerhalder

Lauren Conrad celebrated her bachelorette party in her bikini. Source: Instagram user laurenconrad

Elsa Pataky posted another sweet family photo with one of her twin sons. Source: Instagram user elsapatakyconfidential

Khloé Kardashian showed some leg. Source: Instagram user khloekardashian

Katy Perry posed with Hillary Clinton and told her she'd write her a "theme" song. Source: Instagram user katyperry

Amanda Seyfried was twins with her dog, Finn. Source: Instagram user mingey

Mindy Kaling celebrated her birthday in Las Vegas with a giant cake. Source: Instagram user mindykaling

Cara Delevingne went topless in Bali. Source: Instagram user caradelevingne

January Jones won at #tbt. Again. Source: Instagram user januaryjones

Hilary Duff wore a trio of hats. Source: Instagram user hilaryduff