Miley Cyrus Rocks Joan Jett Top, Auctions Off Her Clothes (PHOTOS)

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Leave it to Miley Cyrus to find a way to make gym sweats sexy! The “Can’t Be Tamed” singer was spotted showing off a teeny-tiny black bra under a cut-up vintage Joan Jett t-shirt when she hit up the gym in Toluca Lake earlier this week.

Maybe Miley is wearing skimpy gym clothes because she is in the middle of cleaning out her closet: The former Disney star recently announced that she will be putting up clothes from her personal closet up for auction on eBay to benefit Youth Service America. Watch Miley explain the auction after the jump.

Watch a video of Miley explaining the auction after the jump.

Items that are currently up for sale include designer jeans (mostly in a size 26 or smaller), flowery tops and even an unused Hello Kitty swimsuit! If Miley’s items aren’t in your size range the singer has also offered up signed copies of her CDs. Check out the full auction list at Miley’s eBay store.

All of the proceeds from Miley’s auction with go directly to Get Ur Good On and Youth Service America.

Can’t get enough of Miley? Check out her Celebuzz page for up-to-the-minute updates and photos!

Tags: Miley Cyrus