Sometimes stars are really just like us. This week, many celebrities got together in groups to have fun, like Lea Michele [1] teaming up with Hilary and Haylie Duff at a Pharrell Williams concert and Katy Perry [2] 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 [3], Facebook [4], and Twitter [5]!
Lea Michele [7] joined Hilary and Haylie Duff to see Pharrell Williams.
Source: Instagram user msleamichele [8]
Nina Dobrev [9] did yoga in her bikini.
Source: Instagram user ninadobrev [10]
Reese Witherspoon [11] hung out with a dog on set.
Source: Instagram user reesewitherspoon [12]
Selena Gomez [13], Cara Delevingne, Suki Waterhouse, Georgia May Jagger, and Mary Charter hung out with Katy Perry [14] backstage at her show.
Source: Instagram user katyperry [15]
Lauren Conrad [16] put her party hat on.
Source: Instagram user laurenconrad [17]
Jessica Alba [18] revealed her workout attire.
Source: Instagram user jessicaalba [19]
Miley Cyrus [20] found a new friend.
Source: Instagram user mileycyrus [21]
Khloé Kardashian and boyfriend French Montana took this controversial photo with a gun and a bottle of Champagne.
Source: Instagram user khloekardashian [22]
Taylor Swift [23] broke all the rules.
Source: Instagram user taylorswift [24]
Kendall and Kylie Jenner showed some skin before their book signing.
Source: Instagram user kyliejenner [25]
Justin Timberlake [26] freaked out about meeting his "idol" Bruce Springsteen.
Source: Instagram user justintimberlake [27]
The Pretty Little Liars [28] cast celebrated 100 episodes with a huge cake.
Source: Instagram user keeoone [29]
Channing Tatum [30] celebrated his daughter Everly's birthday with this sweet graphic.
Source: Instagram user channingtatum [31]
Anna Kendrick [32] and Kate Mara wore matching jackets and considered switching movie roles for the day.
Source: Instagram user annakendrick47 [33]
Gwyneth Paltrow [34] snapped a selfie with Instagram CEO Kevin Systrom.
Source: Instagram user gwynethpaltrow [35]
Amanda Seyfried [36] and Justin Long [37] had fun in Tokyo.
Source: Instagram user mingey [38]
Beyoncé one-upped everyone's selfies this week.
Source: Instagram user beyonce [39]
Neil Patrick Harris [40] showed off his kids' sophisticated palates as they ate oysters.
Source: Instagram user instagranph [41]
Here's baby Zac Efron [42] playing baseball.
Source: Instagram user zacefron [43]
Alessandra Ambrosio wished Heidi Klum [44] a happy birthday.
Source: Instagram user alessandraambrosio [45]
Emmy Rossum experimented with crimping.
Source: Instagram user emmyrossum [46]
Lupita Nyong'o and Aaron Paul were adorable.
Source: Instagram user lupitanyongo [47]
Drew Barrymore [48] sipped a cocktail.
Source: Instagram user drewbarrymore [49]