Illustrate a lively birthday celebration boasting two feline main characters: a colorful calico cat and a solid black cat. Both cats are decked out in playful party hats. The calico cat exudes flair, sporting a multicolored bow tie. It poses with a grin next to a stack of gifts wrapped with care. The black cat, mischievous and fun, winks while peeking out from behind a massive birthday cake bedecked with candles. The backdrop is filled with rainbow-hued streamers entwined and swaying above them. Overhead, a banner with the words 'Happy Birthday' is hanging in bold and engaging fonts.

Generated with these themes: Calico cat , and Black cat.

Made with ❤️ by AI.