This week, your favorite celebrities hung out with other major stars. Rita Ora got into the holiday spirit with Beyoncé, while Justin Bieber had a Nerf gun fight with Kendall Jenner and Hailey Baldwin. In the sweetest #TBT photo of the week, Ashley Tisdale [1] posted an old photo of her and bestie Vanessa Hudgens [2] (could this be from the High School Musical [3] days?). Nicole Richie [4] also shared a cute moment when she surprised her dad with honey-making hives. Now, that's sweet. Keep reading to see the rest of this week's cutest celebrity Instagram snaps, and be sure to follow POPSUGAR on Instagram [5], Facebook [6], and Twitter [7].
Source: Instagram [8]
Rihanna [9] shared a makeup-free selfie.
Source: Instagram user badgalriri [10]
Behati Prinsloo and husband Adam Levine posed together for a festive photo.
Source: Instagram user behatiprinsloo [11]
Justin Bieber hung out with Kendall Jenner and Hailey Baldwin.
Source: Instagram user justinbieber [12]
Rita Ora kicked off Christmas celebrations with Beyoncé.
Source: Instagram user ritaora [13]
Emmy Rossum attended a Knicks game.
Source: Instagram user emmyrossum [14]
Jesse Tyler Ferguson gave us a sneak peek on who will be on Modern Family.
Source: Instagram user jessetyler [15]
Jennifer Lopez [16] went back to the '90s with curly hair, red lips, and street fashion.
Source: Instagram user jlo [17]
Kim Kardashian [18] shared her favorite lash serum.
Source: Instagram user kimkardashian [19]
Chanel Iman went to a basketball game with her friend.
Source: Instagram user chaneliman [20]
Gigi Hadid goofed around on the Victoria's Secret Pink set.
Source: Instagram user gigihadid [21]
Once Upon a Time star Lana Parrilla showed us a glimpse of behind-the-scenes filming.
Source: Instagram user lparrilla [22]
Kate Hudson [23] donned face paint for a kid's party.
Source: Instagram user katehudson [24]
Elizabeth Banks got into the holiday spirit with a Christmas tree selfie.
Source: Instagram user elizabethbanks [25]
Gwen Stefani [26] snapped a photo while filming The Voice with Pharrell Williams.
Source: Instagram user gwenstefani [27]
Ariana Grande [28] posted this sweet photo with her boyfriend.
Source: Instagram user arianagrande [29]
Ashley Tisdale [30] wished her BFF Vanessa Hudgens [31] a happy birthday with this throwback selfie.
Source: Instagram user ashleytisdale [32]
Nicole Richie [33] surprised her dad with a trip to visit beehives.
Source: Instagram user nicolerichie [34]
Chrissy Teigen hung out with Sam Smith, Olivia Culpo, and Ansel Elgort.
Source: Instagram user chrissyteigen [35]
Demi Lovato [36] took a nap in high heels and a gown.
Source: Instagram user ddlovato [37]
Jennifer Morrison looked like a snow queen at an Elsa's ice palace party.
Source: Instagram user jenmorrisonlive [38]