She claims some of the figures in Coleen's bill have rocketed by more than 300 per cent.
Becky was fuming over the claims, which include £2,000 for one of Coleen's lawyers to kip at a five-star hotel.Coleen's lawyers are said to have budgeted for £500,000 initially.Coleen's lawyers previously revealed she had the opportunity to contemplate calling in bailiffs to seize £800,000 of legal costs after Becky admitted she did not have the cash.
Mum-of-four Coleen is featuring in the September edition of Vogue magazine - which is likely to infuriate Becky.