What collaborations has Natasha Najjar engaged in with fashion brands like Zahlia Fashion?

I'm sorry, but the available content doesn't directly address any collaborations between Natasha Najjar and fashion brands like Zahlia Fashion. Natasha is known for her vegan lifestyle and her posts about vegan cuisine, as well as her fashion style.

Would you like to know more about her vegan recipes or her fashion style? Or perhaps you're interested in other aspects of her social media career?