Michigan Gov. Jennifer Granholm (D) will stand in for Republican vice presidential nominee Sarah Palin in preparations for the October 2 debate between Palin and her Democratic counterpart, Delaware Sen. Joe BidenJoe BidenSupport drops for Medicare for All but increases for public option Bolton told ex-Trump aide to call White House lawyers about Ukraine pressure campaign: report Federal prosecutors in New York examining Giuliani business dealings with Ukraine: report MORE.

Granholm will spend four days with Biden in preparations for the debate, the Detroit Free Press reported Wednesday.

"The governor has been asked to help and is pleased to accept," Granholm spokeswoman Liz Boyd told the paper.

Granholm, the two-term governor of Michigan, is 49 years old. Palin is 44. Both Granholm and Palin competed in beauty pageants in their youth. Granholm is also known for a feisty and assertive public demeanor.

The debate between Palin and Biden will be held at Washington University in St. Louis on Thursday, October 2 at 8:00 p.m.

- Michael O'Brien