KELLY'S BLANK CHECK TO BEAT BRANDON!

Clarkson digs into bottomless war chest as divorce consumes her

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LIVID Kelly Clarkson is ramping up the stakes in her bitter divorce settlement with Brandon Blackstock — and she’s sparing no expense to come out on top, tipsters dish.

The “Miss Independent” singer, 39, is sitting on an estimated $45 million war chest, and sources tell The National ENQUIRER she’s ready and willing to keep splashing out cash to beat her 45-year-old ex in court!

The news comes as Blackstock — who’s been raking in a staggering $150,000 per month in spousal support, plus an additional $45,000 to help with raising their two kids — continues to hunker down at his former wife’s sprawling ranch in Montana.