Katie Price threw a wobbly on Kerry Katona’s WEDDING DAY ‘because her bridesmaid dress didn’t fit’!

Tempting as it may be to invite all your celebrity mates to be involved in your big day, turns out it’s a really bad idea. Like, really bad. Epically bad. Titanically bad. So, so bad.

Unfortunately, Kerry Katona found out the hard way when bridesmaid Katie Price pulled out of being in her wedding party last weekend… because her dress didn’t fit.

The Sun reports that Katie – who only gave birth to baby daughter Bunny six weeks ago – throw a wobbly because she couldn’t get into the size eight gown. Which is fair enough, really. SHE GAVE BIRTH SIX WEEKS AGO.

A source told the newspaper: “Katie was not even prepared to consider wearing a dress that didn’t fit her properly.

“As soon as she found out, she pulled out of her official role altogether.”

Instead, Katie turned up to the ceremony last Sunday as a guest and wore a black and white jumpsuit instead of whichever horrendous poufy number Kerry had selected for her.

“Kerry was disappointed, but wasn’t going to let it ruin her day,” the source continued, adding that Katie wasn’t happy about having to wear her own outfit even though she’d totally chosen to do so herself and “had a face on her like a bulldog chewing a wasp”.

The rest of Kerry and George Kay’s wedding sounds lame like it went off pretty calmly, with the insider claiming the newlyweds were in bed by 11pm and “weren’t even drunk”.

Oh, and ex-Atomic Kitten bandmate Natasha Hamilton thought she'd gone into labour a few weeks early and had to rush to hospital halfway through the day, but she's fine now.

GALLERY: Katie Price before and after plastic surgery – 20 years of boob jobs, hair extensions and fillers