celebratory greeting , beautiful happy birthday artwork with calligraphy and pastel watercolor, adorned with

greeting design happy birthday artwork calligraphy pastel watercolor butterflies flowers room message celebration event festive joyful occasion cheerful party congratulatory felicitation joyous jubilant merriment best wishes anniversary special day commemoration festivity mirthful congratulation merrymaking time wish card happiness delight jovial birth date moment honored ai generated