Kourtney is the eldest of the Kardashian sisters, however that does not make her the most boring. In fact, when it comes to Christmas decorations the 41 year old has transformed her home into a North Pole style fantasy in time for the public holiday.The mother of three took to Instagram to showcase her home's festive transformation, while dressing up as the main characters from the 1997 film Romy and Michelle's High School Reunion with her childhood friend Veronique Vicari Barnes.