rumerxn3j87991__oPt.jpgTyler Shields

Oh my!

Rumer Willis showed off her wild side by stripping down to her bra and panties while holding a machete during an outdoor photo shoot with celebrity photographer Tyler Shields on Thursday.

"Getting my hands dirty at my shoot w/ @tylershields," the toned 25-year-old redhead tweeted with a quick preview along with the following caption, "Killed it!"

Yes she certainly did!

rumer-willis-lg-04.jpgTyler Shields