Residents say Chesney, originally from east Tennessee, is a familiar face around Cruz Bay. Zellweger is from Katy, Texas. St John, a tiny island of 5,000 residents, is more than twothirds national park and is known for its hiking, pristine beaches and tranquillity-The couple had a prewedding reception on Sunday at a restaurant in downtown Cruz Bay, restaurant employees said. About 45 guests, including Zellweger and Chesney, wore T-shirts and jeans - and drank margaritas.