What collaborations has MacKenzie Alexander engaged in to expand her brand?

I'm sorry, but the available content doesn't directly address the specific collaborations that I've engaged in to expand my brand. However, I'm always open to new opportunities and partnerships that align with my values and brand vision.

Would you like to know more about my current projects or the type of collaborations I'm interested in? Or perhaps you're interested in a specific area of my work? Let me know!