Jason Aldean and Martina McBride are joining in the effort to eradicate hunger this holiday season. The country stars have donated one-of-a-kind packages to WhyHunger's 29th annual Hungerthon auction.

WhyHunger is a grassroots support organization whose mission is "connecting people to nutritious, affordable food and supporting grassroots solutions that inspire self-reliance and community empowerment." This year's Hungerthon kicked off with a live radiothon broadcast on Tuesday (Nov. 25).

Aldean is offering two fans the chance to win an all expenses paid trip to one of his 2015 concerts of their choice, and a signed Yamaha acoustic guitar. Fans can bid on that package here until 1:18PM ET on Wednesday, Dec. 10.

McBride is making meet and greet passes available for two to her sold-out show at Count Basie Theatre in Red Bank, N.J. on Friday, Dec. 5. Her fans can can click here to bid on that package until Tuesday, Dec. 2 at 12PM ET.

The annual Hungerthon helps WhyHunger continue their work all-year round, educating and empowering grassroots organizations worldwide.

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