A fun and quirky illustration of a person wearing a party hat and holding a giant number 30, surrounded by confetti and balloons, with a big smile on their face, capturing the excitement and playfulness of this milestone birthday.

A beautiful and elegant design featuring a bouquet of flowers in a vase, with a 30th birthday banner wrapped around the stem, and a few balloons floating above, conveying a sense of sophistication and joy.

A vibrant and colorful illustration of a 30th birthday cake with candles lit, surrounded by balloons and confetti, with a big smile on the cake's face, celebrating a milestone birthday in a playful and whimsical way.