A blue frosted cupcake with a candle and festive decorations.

A delectable blue-frosted cupcake with swirls of rich buttercream icing, topped with a flickering golden birthday candle. Adorned with vibrant rainbow sprinkles, shimmering edible glitter, and miniature fondant stars. The cupcake sits on a white porcelain plate, surrounded by colorful confetti and streaming party ribbons, creating a joyful and festive atmosphere.