Miranda Lambert will pitch Ram Trucks

Country mega-star Miranda Lambert is Ram Trucks' new spokeswoman.

"I have lived my entire life surrounded by trucks even to this day. I have also written songs that mention trucks, so I am so happy to be partnering with Ram," Lambert said in a statement.

Tonight, Lambert, who's married to "The Voice" judge and fellow country music star Blake Shelton, vies for nine CMA Awards.

The first manifestation of the Lambert-Ram deal is the customized Ram 1500 Laramie Longhorn the truck maker gave her — and which she's auctioning off to raise money for her shelter-animals charity, the MuttNation Foundation.

"Miranda Lambert and Ram Truck are a perfect fit," Bob Hegbloom, Ram Truck president and CEO, said in a statement. "She values hard work, courage and lives her life to the fullest — the same characteristics that our brand celebrates in our owners."

Details of the partnership have not been released yet, except that it "will continue to evolve in 2015." Brand spokeswoman Eileen Wunderlich declined to say if the Grammy winner would appear in commercials.

The auction, which includes other Lambert memorabilia and concert tickets, ends Nov. 15.

Ram sales were up 36% in October over October 2013 and up 26% so far this year.