"When she was told about the trip, Paris - who had had no idea where Haiti is - was told they speak French there.
"When she heard that she replied, 'I wouldn't mind spending a few days there and the weekend in Paris'."
It is not the first time Paris' mental ability has come under scrutiny recently.

In other news, Paris Hilton has caused outrage by starring in a wine commercial just weeks after being arrested for a DUI
The 'Stars Are Blind' singer agreed to be the face of Italian wine-maker Prosecco and posed for raunchy photos to promote their sparkling wine range 'Rich' reports Digital Spy.

However, road safety campaigners have been left fuming over the sexy ads, saying Paris is not suited for the campaign after her recent drink-driving scandal.

Andrea Dan, the president of Italy's Road safety Society said: "She has just only been arrested for drink-driving and a few days later she is promoting an alcoholic drink. What sort of image is that?"

Meanwhile, last week, the blonde socialite told Los Angeles police "she's not that smart".
Paris referred to her poor intelligence while being questioned by detectives investigating the robbery of 'Girls Gone Wild' producer Joe Francis.
During a recorded interview about what happened, she confessed: "I don't remember. I'm not, like, that smart. I, like, forget stuff all the time."
Police were questioning the heiress-turned-actress to see if she remembered what she told Francis at a party shortly after he was targeted on January 24, 2004.