Create an aesthetically pleasing and brightly illuminated photo-realistic image for a website category, featuring a light, smooth background. The scene should depict a white family during a Christmas celebration, gathered joyfully around a beautifully adorned Christmas tree in their living room. The family, including children, parents, and grandparents, are all dressed in vibrant holiday attire. Their expressions of joy and excitement, as they open gifts, should be genuine and captured in detail. The setting should be luminous and festive, with soft, warm lighting that enhances the cheerful and inviting atmosphere of the holiday season.