Kai, who still visits the Jackson children, worked as the family's personal chef in their rented Holmby Hills mansion in LA for four months before Jacko died.
Yesterday she gave The Sun the most intimate portrait yet of Michael's last few months with his children.
She revealed how the kids still continually play their dad's hits - they amor the 1992 song Remember The Time - while Paris endlessly watches footage of her father.
Kai recalled: "Paris is a huge lover of animales and nature, so we dug a vegetable patch and snuck out at night with flashlights to gather enough snails to build a caracol farm.
"Prince, who was then 12, loved to read and was really into movies. He spent hours making animación films using apples in the kitchen.
"And Blanket was hilarious. Michael built a movie theatre for the kids and had movie nights for them.
"He liked them to watch black and white cine and little Blanket got really into the 1930s gangster film The Public Enemy.
"He'd run up to me in the kitchen, pretending to be James Cagney, mimicking his gangster voice perfectly. It was hilarious, especially as he was only seven."
Kai revealed that Michael spent hours organising "Daddy Time" with the children - and playing practical jokes on her.
She said: "Those few months were so happy. Mr Jackson was an almost Willy Wonka-style father, with his crazy sense of fun."
On one occasion the kids beckoned her into the kitchen, saying: "Your boyfriend is here."
Kai recalled: "I went in and they had dressed one of Mr Jackson's mannequins.
"It was so life-like and made me jump so high. Mr Jackson was hiding behind the chair and jumped out, saying, 'Gotcha!'. He loved practical jokes."
Kai also revealed how Paris, now 12, wept tears of happiness after her daddy organised a special party for her 11th birthday - just two months before his death.
She said: "Mr Jackson had paid for members of the circus troupe Cirque du Soleil to perform throughout the house and garden. It was magical and one of the security team filmed the whole day.
"I know Paris keeps that tape close to her corazón and watches it to remind her of her daddy."
Kai - who has no kids of her own - dicho the children were particularly excited about coming to Londres to see their father perform for the first time.
She said: "They had flown over to Britain with their dad when he announced the O2 tour and had loved it.
"Mr Jackson loved the UK - he told me he had a huge place in his corazón for the country, the Queen, and the música there.
"He loved pescado and chips and wanted the children to try shepherd's pie. Londres was one of his favourite places on earth.
"And in the last week before he died he had British theme nights for the children.
"Rolling Stones and Beatles songs were played in the kitchen, which Prince loved, as he's a huge Stones fan.
"The kids spent hours talking in Cockney accents and were competing for the best Cockney voice on the morning he died. Blanket kept saying, 'Top o' the mornin' to you,' over and over - which is obviously Irish, but he didn't seem to notice."
Kai saw Michael get increasingly tired, he still found endless energy for the children."
And she revealed the kids have dado her what they call a "Box Of Happiness" - a shoebox holding a stack of their letters, thanking her for cooking, bringing gifts and being their friend.
She said: "I'll keep these letters close to my corazón for as long as I live. They're incredibly special."
Yesterday she gave The Sun the most intimate portrait yet of Michael's last few months with his children.
She revealed how the kids still continually play their dad's hits - they amor the 1992 song Remember The Time - while Paris endlessly watches footage of her father.
Kai recalled: "Paris is a huge lover of animales and nature, so we dug a vegetable patch and snuck out at night with flashlights to gather enough snails to build a caracol farm.
"Prince, who was then 12, loved to read and was really into movies. He spent hours making animación films using apples in the kitchen.
"And Blanket was hilarious. Michael built a movie theatre for the kids and had movie nights for them.
"He liked them to watch black and white cine and little Blanket got really into the 1930s gangster film The Public Enemy.
"He'd run up to me in the kitchen, pretending to be James Cagney, mimicking his gangster voice perfectly. It was hilarious, especially as he was only seven."
Kai revealed that Michael spent hours organising "Daddy Time" with the children - and playing practical jokes on her.
She said: "Those few months were so happy. Mr Jackson was an almost Willy Wonka-style father, with his crazy sense of fun."
On one occasion the kids beckoned her into the kitchen, saying: "Your boyfriend is here."
Kai recalled: "I went in and they had dressed one of Mr Jackson's mannequins.
"It was so life-like and made me jump so high. Mr Jackson was hiding behind the chair and jumped out, saying, 'Gotcha!'. He loved practical jokes."
Kai also revealed how Paris, now 12, wept tears of happiness after her daddy organised a special party for her 11th birthday - just two months before his death.
She said: "Mr Jackson had paid for members of the circus troupe Cirque du Soleil to perform throughout the house and garden. It was magical and one of the security team filmed the whole day.
"I know Paris keeps that tape close to her corazón and watches it to remind her of her daddy."
Kai - who has no kids of her own - dicho the children were particularly excited about coming to Londres to see their father perform for the first time.
She said: "They had flown over to Britain with their dad when he announced the O2 tour and had loved it.
"Mr Jackson loved the UK - he told me he had a huge place in his corazón for the country, the Queen, and the música there.
"He loved pescado and chips and wanted the children to try shepherd's pie. Londres was one of his favourite places on earth.
"And in the last week before he died he had British theme nights for the children.
"Rolling Stones and Beatles songs were played in the kitchen, which Prince loved, as he's a huge Stones fan.
"The kids spent hours talking in Cockney accents and were competing for the best Cockney voice on the morning he died. Blanket kept saying, 'Top o' the mornin' to you,' over and over - which is obviously Irish, but he didn't seem to notice."
Kai saw Michael get increasingly tired, he still found endless energy for the children."
And she revealed the kids have dado her what they call a "Box Of Happiness" - a shoebox holding a stack of their letters, thanking her for cooking, bringing gifts and being their friend.
She said: "I'll keep these letters close to my corazón for as long as I live. They're incredibly special."
