Kourtney Kardashian shared a sweet note from her daughter Penelope who labelled her the "best mom".The Keeping Up With The Kardashians star, who enjoyed a smitten date night at Disneyland with her fiancé Travis Barker, took to Instagram Story on Monday evening with the sweet message from her nine year old. "Merry Christmas, I love you so much you are the best mom in the world," Kourtney's daughter, who she shares with her ex Scott Disick, said.