A heartwarming, cinematic Pixar-style 3D render of a pastel-colored birthday party in a picturesque outdoor setting. A group of adorable, cartoonish characters are gathered around a round table adorned with a multi-tiered cake, balloons, and party hats. The scene is illuminated by the golden glow of the setting sun, casting a warm hue over the entire composition. The atmosphere is filled with joy and celebration, capturing the essence of a perfect birthday moment.