This week, Brian and Vogue announced they had split after three years of marriage.
Speaking to The Mirror about the news, Shane said: "I didn't know about the split. I don't know the details but I was surprised."
Shane said Brian appeared to be happy the last time he had seen him, which was just several weeks ago.
"I saw Brian a few weeks ago to play golf and he seemed happy," Shane continued. "I've dropped him a text and I'm there if he needs me."
On Thursday night (9 July), Vogue made her first public appearance at the ITV summer party since announcing their split.
Announcing their separation, Vogue said: "It is with sadness that Brian and I have made the tough decision to go our separate ways. We will always care greatly about each other, remain friends and wish each other all the very best for the future.
"We have nothing else to say on the subject and we would like to thank our friends and family for their support during this difficult period. Vogue x."
Brian and Vogue married in Italy in September 2012.
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