There’s a new pair of Kardashian cousin BFFs! Kylie Jenner shared a photo of a sweet moment between her and Travis Scott’s son Aire Webster and Tatum Thompson, Khloe Kardashian’s second child with Tristan Thompson, after the family celebrated her nephew’s first birthday. “Happy belated birthday Tatum,” the Kylie Cosmetics founder wrote on her Instagram Stories July 29, alongside a close-up pic of Aire, who is almost 18 months old, and his little cousin holding hands. “We love you.” Kylie added, “Aires best friend for life [sic].” The Kardashian-Jenner family recently shared pics from Tatum’s space-themed first birthday party, as well as personal tributes to the child. Tristan shared his first Instagram post dedicated to the toddler, his fourth child. “Tatum!!” the NBA star wrote, alongside pics of the two. “Happy birthday my son! You are a reminder of what life represents to me. You have taught me every loss comes a lesson and you are my gift. You are my reminder of all of God’s messages. You are the reason that I began my story.” The basketball player, who has been involved in multiple cheating scandals and who fathered another son, Theo, with Maralee Nichols, months before welcoming Tatum via surrogate, continued, “The mistakes along the way are lessons not failures. There is no expiration date to reinventing yourself. Tatum your sweet soul reminds me of God’s grace.