Read this article, "In Sneaker Wars, It's Also Curry (Under Armour) vs. James (Nike)" (you can also view the PDF here), on the use of celebrity endorsements in the competition between Nike and Under Armour.
Think about a time when a celebrity endorsement influenced you to buy a product in the last five years.
In the discussion thread, describe the following:
The product and the celebrity endorsing it.
How the endorsement influenced your decision to buy the product.