Brother and sister birthday celebration

An ultra-realistic DSLR photograph of a brother and sister celebrating a birthday party inside a warmly lit apartment. The brother has a mustache and is wearing a dark burgundy shirt, smiling widely at the camera while making a peace sign with his hand. The sister stands right beside him, wearing a dark grey hijab and a beautiful black-and-white patterned dress, smiling happily. On the table in front of them is a decorated birthday chocolate cake with lit candles. The background features colorful party lights, balloons, and cozy room decor. High resolution, 8k, natural skin textures, and cinematic ambient lighting. 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.