18 Celebrity Instagrams You Probably Missed This Week

Here's what some of Hollywood's biggest celebs have been up to this week:

1.Selena Gomez said "Hi" in a variety of ways.

2.Chris Hemsworth bonded with his younger brother, Liam.

3.Nick Cannon mourned the loss of his 5-month-old son, Zen.

4.Megan Fox and Machine Gun Kelly were attached at the hip...or should we say, by the pinky.

5.Dove Cameron debuted a new hair color.

6.Ciara introduced fans to the #BalanceChallenge.

7.Kim Kardashian reminded fans what early '90s fashion looked like.

8.Billie Eilish promoted her upcoming guest appearance on SNL.

9.Maluma discovered the perfect food and drink combo.

10.Kevin Bacon let loose while jamming to Silk Sonic.

11.Kerry Washington gave fans a behind-the-scenes look at the #LiveInFrontOfAStudioAudience productions.

12.Joey King celebrated Hanukkah.

13.While Nicki Minaj celebrated her 39th birthday.

14.James Pickens Jr. posted a Grey's Anatomy throwback.

15.Kristin Davis paid homage to the Sex and the City cast, both old and new.

16.Olivia Rodrigo took over a DMV.

17.Monique Coleman and Corbin Bleu reunited, giving fans serious Disney Channel nostalgia.

18.And Josh Peck and Miranda Cosgrove gave us a serious case of "the feels" with this reunion.