Peter Andre sues Katie Price

Peter Andre is taking legal action over comments made by his estranged wife Katie Price on TV today.

The latest twist in the couple's disintegrating relationship came after the model appeared on GMTV to promote her new book.

Price, aka Jordan, had been pushed over whether her husband had been faithful during their marriage.

She said: "As far as I know I think he was faithful."

Andre has always insisted no one else was involved in the demise of his marriage.

In his column for New! magazine, written shortly after the split, Andre said: "I can hold my head up high and say I've been 100% faithful throughout my marriage and still am. And any reports suggesting otherwise are totally hurtful and false."

The singer's lawyer confirmed today that he was taking action over the comments.

Price split with Andre earlier this year and is currently drumming up publicity for her latest novel Sapphire.

During a whirl of interviews she has already revealed she had a miscarriage just weeks before the couple gave up on their marriage.

This afternoon Price was launching her novel Sapphire at London store Selfridges.

She said: It's my 32nd book I've got out so I'm really proud. It's a good read, a good summer read like all my others."

Price, who has two children with Andre and a son from her relationship with Dwight Yorke, added: "I've got a style book coming out in October and even if you can't read it's a good book, it's got lots of pictures."