A whimsical and playful illustration of a friend surrounded by a swarm of butterflies, each one carrying a birthday message or a gift, with a big smile on their face and a birthday hat on their head.

A warm and cozy scene of a friend blowing out candles on a delicious-looking birthday cake, surrounded by close friends and family, with a warm glow and a sense of celebration in the air.

A bright and colorful illustration of a smiling cake with candles lit up in a gradient of colors, surrounded by balloons and confetti, with a friendly cartoon character holding a gift box in the background, celebrating a friend's special day on their birthday.