Former professional tennis player Andy Roddick and his wife, model and actress Brooklyn Decker, have invested an undisclosed amount in Tiff's Treats, the Austin-based chain of cookie stores.
That's according to the Austin American-Statesman, which added that the two celebrity Austinites will also serve as brand ambassadors as Tiff's Treats continues to expand nationally.
Leon Chen and Tiffany Chen founded Tiff's Treats in 1999 while the two were still students at the University of Texas campus.…