Celebrity·Posted on Sep 10, 202118 Celebrity Instagrams You Probably Missed This WeekHere's what you might've missed!by Morgan MurrellBuzzFeed StaffLinkFacebookPinterestTwitterMail Here's what some of Hollywood's biggest celebs have been up to this week: 1. Kylie Jenner officially announced she and Travis Scott are expecting their second child together. View this photo on Instagram 2. Cardi B and Offset welcomed a baby boy. View this photo on Instagram 3. Nicki Minaj and her hubby hung out with Rihanna and A$AP Rocky. View this photo on Instagram 4. Lily Collins married Charlie McDowell in Dunton Hot Springs, Colorado. View this photo on Instagram 5. Chris Hemsworth showed his uncanny resemblance to his dad, one photo at a time. View this photo on Instagram 6. Riz Ahmed and several other celebrities mourned the devastating death of actor Michael K. Williams. View this photo on Instagram 7. Megan Fox reflected on the NSFW things this Airbnb saw with Machine Gun Kelly. View this photo on Instagram 8. Ryan Reynolds gave his pooch a smooch. View this photo on Instagram 9. Jennifer Love Hewitt welcomed a baby boy, her third child with husband Brian Hallisay. View this photo on Instagram 10. Damson Idris stripped down to his underwear for Calvin Klein. View this photo on Instagram 11. AnnaSophia Robb and her boyfriend Trevor Paul got engaged. View this photo on Instagram 12. Kate Hudson showed a little leg. View this photo on Instagram 13. Jessica Chastain went from robe to runway for her 2021 Venice Film Festival look. @jessicachastain / instagram.com 14. Michael Ealy penned a sweet letter to his Afghan wife, Khatira Rafiqzada, amid the horrific violence happening in Kabul. View this photo on Instagram 15. Jonah Hill made things Instagram official with girlfriend Sarah Brady. View this photo on Instagram 16. Joe Jonas and Sophie Turner hit the stage together. View this photo on Instagram 17. Lily Allen and David Harbour celebrated their first marriage anniversary. View this photo on Instagram 18. And former Blue's Clues host Steve Burns made us feel extra nostalgic with this emotional message about why he left the show. @nickjr / instagram.com