By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

The reason behind Kim Zolciak’s anger at her parents can be explained very simply -- her father eclusively told Breaking Celebrity News that he believes his daughter is jealous of her mother!

The Real Housewives of Atlanta reality star is locked in a nasty court battle with her estranged parents who have petitioned the court to grant them visitation rights with their grandchildren, something that they say she has denied them for the past year.

Kim’s father, Joe Zolciak, told Breaking Celebrity News why he thinks his daughter is not allowing her own mother, Karen Zolciak, to see any of her four children.

“Kim has shown a lot of disrespect to her mother. Her mother is very attractive, she looks fantastic and I think that Kim is jealous of her mother!” Joe said.

“Karen is [expletive] good looking!” he said about his wife. “She is energetic and creative and I am madly in love with the woman but Kim is just jealous.”

Joe said that when Kim and her football star husband Kroy Biermann moved into their new home Kim told her mom that she was not allowed to wear a bikini when she was swimming at their house.

“Kim told her mom ‘Do not wear a bikini, I don’t want you showing off your body to Kroy or anyone else.’”

He said he was shocked at her order.

“Karen has a great body. At 55, she has a body that most 35-year-olds would envy!”

Bad feelings might be running high in the Zolciak family right now, but despite being in an intense