Article continues below advertisementJessie James Decker is in awe of her daughter, Vivian, taking care of her baby brother Denver, who was born in February 2024."She is so good. She's such an amazing girl, such an amazing big sister. She does things without us even asking! She'll want to go get him out of his crib in the morning or change his diaper or get him a bottle. She loves snuggling with him. I can't imagine us not doing this together with her. It's such a beautiful thing.