The annual luncheon is a fundraiser for the Knoxville Botanical Garden and Arboretum and features the new spring collection of designer hats by milliner Patricia Frankum, champagne reception and seated luncheon. Top Hat tickets allow early entry at 10:30 a.m. for the champagne reception with Bloody Mary’s and an advance showing and sale of Frankum’s hats. Attire: Dressy, business, business casual, garden chic with hats encouraged.