Celebrity·Posted on Dec 10, 202118 Celebrity Instagrams You Probably Missed This WeekHere's what you might've missed!by Morgan MurrellBuzzFeed StaffFacebookPinterestTwitterMailLink 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. View this photo on Instagram 2. Chris Hemsworth bonded with his younger brother, Liam. View this photo on Instagram 3. Nick Cannon mourned the loss of his 5-month-old son, Zen. View this photo on Instagram 4. Megan Fox and Machine Gun Kelly were attached at the hip...or should we say, by the pinky. View this photo on Instagram 5. Dove Cameron debuted a new hair color. View this photo on Instagram 6. Ciara introduced fans to the #BalanceChallenge. View this photo on Instagram 7. Kim Kardashian reminded fans what early '90s fashion looked like. View this photo on Instagram 8. Billie Eilish promoted her upcoming guest appearance on SNL. View this photo on Instagram 9. Maluma discovered the perfect food and drink combo. View this photo on Instagram 10. Kevin Bacon let loose while jamming to Silk Sonic. instagram.com 11. Kerry Washington gave fans a behind-the-scenes look at the #LiveInFrontOfAStudioAudience productions. View this photo on Instagram 12. Joey King celebrated Hanukkah. View this photo on Instagram 13. While Nicki Minaj celebrated her 39th birthday. View this photo on Instagram 14. James Pickens Jr. posted a Grey's Anatomy throwback. View this photo on Instagram 15. Kristin Davis paid homage to the Sex and the City cast, both old and new. View this photo on Instagram 16. Olivia Rodrigo took over a DMV. View this photo on Instagram 17. Monique Coleman and Corbin Bleu reunited, giving fans serious Disney Channel nostalgia. View this photo on Instagram 18. And Josh Peck and Miranda Cosgrove gave us a serious case of "the feels" with this reunion. View this photo on Instagram