Happy Birthday portrait

ultra-realistic premium birthday poster featuring the subject from the uploaded reference image. Create a luxury three-diamond collage composition. Center portrait in full color wearing a stylish sage-green linen shirt, cream trousers, and white sneakers, holding a fresh green leaf while looking down with a gentle smile and relaxed expression. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.