It's All About Silly Group Fun in This Week's Cutest Celebrity Candids

Sometimes stars are really just like us. This week, many celebrities got together in groups to have fun, like Lea Michele teaming up with Hilary and Haylie Duff at a Pharrell Williams concert and Katy Perry welcoming a bunch of friends backstage. It wasn't all just about music, with some pals also celebrating birthdays or just snapping selfies together. Keep reading to see the rest of this week's cutest celebrity candids, and be sure to follow POPSUGAR on Instagram, Facebook, and Twitter!

Source: Instagram

Lea Michele joined Hilary and Haylie Duff to see Pharrell Williams. Source: Instagram user msleamichele

Nina Dobrev did yoga in her bikini. Source: Instagram user ninadobrev

Reese Witherspoon hung out with a dog on set. Source: Instagram user reesewitherspoon

Selena Gomez, Cara Delevingne, Suki Waterhouse, Georgia May Jagger, and Mary Charter hung out with Katy Perry backstage at her show. Source: Instagram user katyperry

Lauren Conrad put her party hat on. Source: Instagram user laurenconrad

Jessica Alba revealed her workout attire. Source: Instagram user jessicaalba

Khloé Kardashian and boyfriend French Montana took this controversial photo with a gun and a bottle of Champagne. Source: Instagram user khloekardashian

Taylor Swift broke all the rules. Source: Instagram user taylorswift

Kendall and Kylie Jenner showed some skin before their book signing. Source: Instagram user kyliejenner

Justin Timberlake freaked out about meeting his "idol" Bruce Springsteen. Source: Instagram user justintimberlake

The Pretty Little Liars cast celebrated 100 episodes with a huge cake. Source: Instagram user keeoone

Channing Tatum celebrated his daughter Everly's birthday with this sweet graphic. Source: Instagram user channingtatum

Gwyneth Paltrow snapped a selfie with Instagram CEO Kevin Systrom. Source: Instagram user gwynethpaltrow

Amanda Seyfried and Justin Long had fun in Tokyo. Source: Instagram user mingey

Beyoncé one-upped everyone's selfies this week. Source: Instagram user beyonce

Neil Patrick Harris showed off his kids' sophisticated palates as they ate oysters. Source: Instagram user instagranph

Here's baby Zac Efron playing baseball. Source: Instagram user zacefron

Alessandra Ambrosio wished Heidi Klum a happy birthday. Source: Instagram user alessandraambrosio

Lupita Nyong'o and Aaron Paul were adorable. Source: Instagram user lupitanyongo

Drew Barrymore sipped a cocktail. Source: Instagram user drewbarrymore