About Exhibition Pennsylvania Bridal & Wedding Expo - Whitehall 2026 will be held on 31st May 2026 in Whitehall, Pennsylvania, United States. This is a series of wedding shows held throughout Lancaster. There are multiple shows throughout the year, so you're likely to find one happening near you. Find your dream wedding dress or bridesmaid dresses. Caterers: Sample delicious food and drinks. It is a great opportunity for couples to meet with a variety of wedding vendors, from caterers and photographers to florists and DJs.