A stunning and modern design featuring a young adult standing in front of a city skyline or a futuristic background, with a big smile and a party hat, holding a cake or a bouquet of flowers, and surrounded by confetti and balloons to represent their growth and new beginnings.

A whimsical and dreamy depiction of a person surrounded by their closest friends and family, all gathered around a beautifully decorated birthday cake, with a warm and cozy atmosphere, and a subtle hint of sparklers or fireworks in the background to symbolize the excitement and joy of this milestone birthday.

A vibrant and colorful illustration of a young adult blowing out candles on a birthday cake, surrounded by balloons, confetti, and a big smile, with a cityscape or a fun background to represent their new independence and the start of a new chapter in life.