Why Vo Hoang Yen refused to attend Miss World 2008 Contest?

Vo Hoang Yen is the first runner-up of the Miss Vietnam 2008 Contest. There has been gossip in recent days that Vo Hoang Yen was chosen to represent Vietnam at the Miss World Contest in South Africa. However, the super model asked the Elite Vietnam for a large amount of money to participate in the said Contest. Her demand was turned down and Duong Truong Thien Ly was called instead. Vo Hoang Yen denied the accusation, saying it's just gossip and speculation.