Kris Jenner pays tribute to grandsons Mason, 15, and Reign, 10, on their shared birthday: 'I love you both'

Kris Jenner was a proud grandmother as she celebrated her daughter Kourtney Kardashian's sons Mason and Reign's shared birthday on Saturday, December 14. Kris Jenner was a proud grandmother as she celebrated her daughter Kourtney Kardashian's sons Mason and Reign's shared birthday on Saturday, December 14; Mason and Kris seen The 69-year-old Kar-Jenner matriarch took to Instagram to share a carousel of sweet throwback photos of her grandsons over the years Then, the self-proclaimed 'mom-ager' reflected on her relationship with 10-year-old Reign and his 'vibrant' personality. Kourtney shares 15-year-old Mason and 10-year-old Reign with her ex-boyfriend Scott Disick; Reign, Corey Gamble and Kris pictured 'You are both so deeply loved, and I am endlessly grateful to God for choosing me to be your grandma,' Kris penned Then, the self-proclaimed 'mom-ager' reflected on her relationship with 10-year-old Reign and his 'vibrant' personality; Kris and Reign pictured 'Mason, you are so kind, creative, smart, talented, and the best brother, son, grandson, cousin and friend,' she penned; Mason pictured 'My birthday boys ❤️❤️,' Kourtney wrote Kourtney welcomed Mason Dash back in 2009 and Reign Aston in 2014; Mason and Reignpictured 'What a special blessing that connects you forever,' the doting grandmother wrote; Mason and Kris pictured Jenner wrapped the post: 'You fill my life with so much pride and happiness, and I love you both with every bit of my heart and soul Kourtney dated the the 41-year-old Talentless CEO on and off for nine years since 2007, making various appearance of Keeping Up With The Kardashians together. So special to me it hurts my heart' The TV personality added a throwback photo of Mason with his little brother as they sat on a comfy rug Kardashian uploaded another picture that was taken in the past when her sons were younger as they lounged on a couch The star also included a photo of her son Reign sitting on grass while surrounded by adorable dogs in what appeared to be a backyard She also shared an assortment of snaps, including one as her sons strolled along a sandy shore at night as fireworks lit up the sky in the distance.