During the event “An Evening of Smiles,” held at the Park Hyatt Saigon hotel in May 2014, over 300 guests were in attendance. Renowned artists such as Bùi Hữu Hùng, Lê Thanh Sơn, Hồ Hữu Thủ, Đặng Xuân Hoà, Đinh Quân, Lê Thiết Cương, Nguyễn Trung, Hồng Việt Dũng, and Hélène Kling generously donated their artworks.
“An Evening of Smiles” is an annual event organised by Operation Smile to raise funds for providing free cleft lip and palate surgeries for children in Vietnam.
