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

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

Miley Cyrus found a new friend.

Source: Instagram user mileycyrus

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

Anna Kendrick and Kate Mara wore matching jackets and considered switching movie roles for the day.

Source: Instagram user annakendrick47

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

Emmy Rossum experimented with crimping.

Source: Instagram user emmyrossum

Lupita Nyong'o and Aaron Paul were adorable.

Source: Instagram user lupitanyongo

Drew Barrymore sipped a cocktail.

Source: Instagram user drewbarrymore