Birthday Princess Tiara - Marabou Birthday Princess Pink Tiara Funny Party Hats Our Birthday Princess Tiara will honor any little birthday Princess in style. Each plastic birthday tiara features marabou trim with iridescent accents. Marabou Birthday Tiara has the words Birthday Princess across the front. princess tiaras feature a festive array of feathers complimenting a dynamic display of shiny stones. Fit for a princess on that special day.