DIFFA (The Design Industries Foundation Fighting AIDS)/Chicago is holding its Believe 2012 GardenGala Saturday, June 9, 6:30 p.m.-2 a.m., at the Marriott Downtown Chicago, 541 N. Rush St.

GardenGala will feature an organic farm-to-table dining experience and live auction bookended by a cocktail reception and the dancing/desserts segment.

Tickets are $500 each; see www.DIFFAChicago.org.