Jessica Simpson's father has slammed rumours his daughter's marriage to Nick Lachey is on the rocks.

Joe Simpson, who is also a manager of blonde singer/actress/fashion designer, claims that the speculation about the split is false.

Speaking of Nick and Jessica's recent trip to Italy ahead of their third wedding anniversary this month, he said, quoted by Female First (UK): "They're still together.

"They just got back from Italy, where they were taking their anniversary vacation, they spent time together and they had a romantic dinner."

"Nick rented a museum and had an orchestra, an opera singer and a candlelight dinner."

Meanwhile Jessica plans a trip to Africa were she will promote her charity Operation Smile - but without hubby. 

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