DETROIT – Nailah Ellis-Brown signed a partnership with a global mega-star using the sweet tea recipe of her great grandfather, who came to the United States through Ellis Island more than 100 years ago. Ellis-Brown is going head-to-head with the big beverage companies with her tea -- Ellis Island Tea. Ellis Island Tea began with Ellis-Brown making her great grandfather’s Jamaican-style tea in her mother’s basement and selling it from her car 12 years ago. Ellis Island Tea partnered with one of the biggest names in entertainment -- Kevin Hart, who is now an investor in the company. You can find out more information on Ellis Island Tea on its official website here.