To celebrate National Rosé Day, Negroni will feature Rosé cocktail specials like the brunch Rossini Raspberry Cordial, Prosecco ($12) and happy hour (4-7 p.m.) selections for $8, including Pink Flamingo and Chapelle Gordone by the glass. The Pommery POP Rosé Champagne pairing ($28) includes two Blue Point oysters. A half-dozen oyster order is also available ($18).