You could win a once-in-a-lifetime chance to meet Miley Cyrus as the Breakout songstress kicks off her first-ever eBay charity auction.

Miley has teamed up with Auction Cause for a personal auction to benefit the Pappy Cyrus Family Foundation, a children’s charity set up in honor of Miley’s grandfather-100 percent of the proceeds will go to the foundation.

The auction kicks off at 7 p.m. PT on Tuesday night before wrapping up on July 29th.

The winning bidder will accompany Miley to the red carpet premiere of Disney’s new film Bolt. The Hannah Montana starlet is also auctioning off items from her closet, in addition to numerous autographed hallmarks, such as photos, posters, Juicy Couture tracksuits, and a few personal cellphones.

Visit Miley’s Pappy Cyrus Family Foundation Charity Auction