About Voom by Joy Han Clothing Voom clothing was started by designer Joy Han in 2002. She is the sole designer behind the brand, which is known for it's bright colors, whimsical patterns and funky style. Who in Hollywood is wearing Voom by Joy Han clothing? It would be easier to list who isn't. Just about every starlet and celebutante, including Paris Hilton, Eva Longoria, Kim Kardashian, Heidi Montag, Denise Richards, Vanessa Manillo and Jessica Alba have been spotted in Voom by Joy Han dresses.