Blog, EVENTS · October 10, 2018Mary J. Blige In Cushnie @ Tiffany & Co. Celebrates 2018 Tiffany Blue Book Collection Mary J. Blige attended the Tiffany & Co. Celebration of the 2018 Tiffany Blue Book Collection on Tuesday (October 9) in New York City. She wore a green Cushnie Spring 2019 dress. Author: fashionsizzle