Create a delightful birthday-themed illustration focusing on the theater scene. The stage is elaborately fashioned with imaginative cardboard cut-outs resembling audience seats, and these are occupied with various lively animals wearing festive hats. A vibrant banner, with the greeting 'Happy Birthday!' presented in exuberant, bold letters, is hung above the stage. A duo of iconic theatrical masks emblematic of comedy and tragedy, wearing charming party hats, beam upon a stage prop in the shape of a birthday gift waiting in anticipation for the birthday person.

Generated with these themes: Theatre.

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