The official trailer for the upcoming 'Barbie' movie was just released, and there's a very sentimental cameo in it that you probably didn't notice at first. The movie is directed by Greta Gerwig and stars Margot Robbie as Barbie and Ryan Gosling as Ken. The trailer reveals that Barbie decides to take a trip to the real world, where she loses her ability to fly and has flat feet, much to the disgust of the other Barbies.

Here are some details about the 'Barbie' movie:

- Plot: The movie follows Barbie as she takes a trip to the real world and loses her ability to fly and has flat feet. She seeks guidance from Kate McKinnon's Weird Barbie and sets out on an adventure in the real world alongside Ryan Gosling's Ken.

- Cast: The movie stars Margot Robbie as Barbie, Ryan Gosling as Ken, Kate McKinnon as Weird Barbie, and a star-studded cast that includes Dua Lipa as mermaid Barbie, Emma Mackey, Issa Rae, Hari Nef, Alexandra Shipp, Simu Liu, Scott Evans, and Ncuti Gatwa.

- Cameo: The sentimental cameo in the trailer is a brief shot of a Barbie doll with a prosthetic leg. The doll is a nod to Jordan Reeves, a young girl who was born without a left forearm and created a prosthetic arm for her Barbie doll. Reeves has become an advocate for disability representation in toys and media.

In conclusion, the new 'Barbie' trailer features a sentimental cameo that you probably didn't notice at first. The movie follows Barbie as she takes a trip to the real world and loses her ability to fly and has flat feet. The movie stars Margot Robbie as Barbie, Ryan Gosling as Ken, and a star-studded cast that includes Dua Lipa as mermaid Barbie. The cameo in the trailer is a nod to Jordan Reeves, a young girl who was born without a left forearm and created a prosthetic arm for her Barbie doll.