Minneapolis boutique Mona Williams is staging its largest sale to date featuring vintage and modern women's designer fashion from Chanel, Dior, Gucci, Lanvin and many more. Mona Williams owner Patric Richardson is digging deep in his archives, which are too massive to fit in his Northeast store. The sale takes place in the former Gap store at IDS. For first dibs, attend the VIP opening party on Feb. 25. Tickets are $20 at monawilliams.com and benefit Minneapolis Institute of Art and Hennepin Theatre Trust. The sale opens to the public on Feb. 26. Hours on Feb. 26 and Feb. 29-March 4, 9:30 a.m. to 6 p.m. By appointment Feb. 27-28. Call 612-331-4493.