Tristan Thompson took to Instagram to celebrate Khloé Kardashian on her 40th birthday, calling her his "best friend" and "the best mom" to their daughter, True. Along with images of Khloé and their children, Tristan praised her as "the most incredible human being." Emotions were high as Khloé's family members also shared heartfelt birthday messages, with Kim Kardashian welcoming her sister to the "40 club" with warm wishes for the best decade ahead. Kris Jenner shared a touching tribute, expressing her love and admiration for Khloé as a daughter and a mother. The article captures a moment of unity and love within the Kardashian family, highlighting the bonds of friendship and support that exist between them. Overall, it is a heartwarming celebration of Khloé's milestone birthday and the special relationships she shares with her loved ones.