In the enchanting world of Barbie, the beloved doll's friends are busy planning a surprise birthday party for her little sister, Chelsea. The movie "My First Barbie: Happy DreamDay" brings together three friends - Barbie, Teresa, and Renee - as they join forces to make this celebration truly unforgettable. The story begins with Barbie and her friends brainstorming ideas for the perfect party. They decide on a theme that matches Chelsea's personality, incorporating all her favorite things into the decor, games, and treats. Meanwhile, Barbie is struggling to come up with the perfect song to perform at the party, seeking inspiration from her friends. As the big day approaches, the girls work tirelessly to prepare for the surprise party. They decorate the venue with balloons, streamers, and a custom-made cake. Teresa takes charge of the games, designing a treasure hunt that leads Chelsea on an exciting adventure. Renee focuses on the food, whipping up a delectable spread that includes Chelsea's favorite snacks. As the guests arrive, the girls' hard work pays off in a spectacular display of music, dance, and fun. Barbie performs her original song, bringing everyone to their feet with a lively dance party. The surprise is revealed when Chelsea walks into the room, overwhelmed by the love and excitement surrounding her special day. Throughout the film, friendship, teamwork, and creativity shine as the girls work together to create an unforgettable experience for Chelsea's birthday. With catchy songs, colorful costumes, and plenty of humor, "My First Barbie: Happy DreamDay" is a delightful treat for young audiences, teaching valuable lessons about the joy of giving and sharing with others.