Celebrity guests included Chrissy Teigen, John Legend and Jen Atkin. Not to mention the entire Kardashian fam, including Khloe, Kourtney and Kendall.
Chicago isn't the only Kar-Jenner celebrating their first birthday though. Kylie Jenner and Travis Scott's daughter Stormi will turn 1 on February 1st, and the family jetted to Turks and Caicos to celebrate.
This article originally appeared on marie claire Australia.