Australian singer Keith Urban is bidding out his jeans and guitar for charity. Urban's jeans, worn and autographed by the singer is up for grabs in eBay, with the bid now up to $200.

"You can now bid on a classic pair of Levi jeans that have been worn, and signed, by Keith. Also up for grabs is a Keith autographed guitar!, " wrote Keith Urban in a message posted on his Facebook page.

"The auction benefits the GRAMMY Charities for MusiCares and the GRAMMY Foundation. The auction runs now through December, just in time for the holidays!"

As of posting time, only one bid has been made for the Keith Urban jeans. Those interested can bid for the jeans on eBay here.The bidding will end on December 6th, which leaves fans a little over three days to bag the coveted classic pair of Levi jeans.

According to its Web site, MusiCares Foundation provides a safety net of critical assistance for music people in times of need. Its services and resources cover a wide range of financial, medical and personal emergencies, and each case is treated with integrity and confidentiality. It also focuses the resources and attention of the music industry on human service issues that directly impact the health and welfare of the music community.

Keith Urban is nominated for Best Male Country Vocal Performance for his song Til Summer Comes Around in 2011 Grammy Awards. The awards ceremony will be held on February 13th next year at the Staples Center in Los Angeles. It will be broadcast on CBS, with 109 awards set to be presented.