Eevee, evolution, birthday party, colorful balloons, streamers, cake with candles, pink and blue decorations, festive atmosphere, Eevee's various evolutions (Vaporeon, Jolteon, Flareon, Espeon, Umbreon, Leafeon, Glaceon, Sylveon) standing around the cake, smiling faces, party hats, confetti, glittering floor, flash photography, soft focus, shallow depth of field, warm and joyful lighting.