I should start with a catchy opening line, maybe using emojis that represent Brazil like 🇧🇷 or 😘, then explain the collaboration. Mention that it's a new project, perhaps a photoshoot, music video, or fashion collaboration. Add relevant hashtags in Portuguese to reach the target audience. Make sure to tag any social media handles if possible, but since I don't have specific handles, I can use generic mentions like @brunaferraz and @kidbengala (assuming those are their Instagram handles). Also, include Portuguese hashtags like #Brasileirinhas, #KidBengala, #BrunaFerraz, and maybe some related to the theme of the project.