It's a Barbie world, and we're just living ... a dress underneath and tulle skirt from the original doll, plus pink-and-white color-block shoes. July 2 was the actress' 33rd birthday — so ...

Katie Loveday, 18, models many aspects of her life after the famous character — she owns more than 100 Barbie and Bratz dolls, dresses in pink ... wearing white T-shirts, white shoes and skinny ...

She also opted for pink shoes (naturally). What’s black and white and fabulous all over? Robbie’s retro black striped minidress that pays homage to the first Barbie doll released in 1959.