KELLY'S BLANK CHECK TO BEAT BRANDON!

Clarkson digs into bottomless war chest as divorce consumes her

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.