A vibrant and playful digital art piece featuring a birthday cake with a giant 'Happy Birthday' message in bold, glittery letters, surrounded by party hats, noisemakers, and confetti, set against a bright and energetic background.

A whimsical watercolor depiction of a birthday girl or boy surrounded by a swarm of butterflies, with a bouquet of colorful flowers and a big smile on their face, against a soft and dreamy background.

A colorful illustration of a smiling cake with candles lit, surrounded by balloons and confetti, with a big 'Happy Birthday' banner in the background, set against a bright and sunny sky with fluffy white clouds.