We love when stars show their support for a good cause, and Mattel’s Party on the Pier is a perfect example of combining a festive event with an opportunity to give back. Mattel, the global toy company and creator of the beloved Barbie, has supported medical research efforts at the UCLA Children’s Hospital for the past 17 years, and the Party on the Pier was one fun-filled way to support that cause and unite fans with their favorite celebs. Not only do the lucky attendees get a star-studded afternoon in the sun, but they also have the chance to win Mattel toys. This gave us some serious Barbie nostalgia, and it also provided a little creative inspo on how to turn charity work into something fun for all involved. Check out our coverage of the event and find out what inspired the stars to attend this party for a cause!