Miley Cyrus' butt is ready to take the world by storm!

The singer showed off two of her "Bangerz" tour costumes early Monday morning on Instagram, and it's pretty clear she has no intention to cover up anytime soon.

In one outfit, taken from the back, we see the 21-year-old wearing white cowboy boots emblazoned with sequined dollar signs and a matching leotard ... a leotard that's giving her a major wedgie!

In the same photo, it appears that her little person backup dancer is actually dressed as a human-sized joint. Cyrus recently admitted she smokes marijuana regularly, telling W Magazine "I love weed. I just love getting stoned."

The oft-topless singer also showed off another stage getup, photographed wearing a sequined American flag leotard and red and white boots. Think "Party In the USA" be making the set list?

That horrid wig from her "Unplugged" performance is back too.

Cyrus has a whole collection of revealing looks for her tour, as Roberto Cavalli recently showed off a number of costume sketches online -- giving us shades of Beyonce and Britney Spears.

The tour kicks of February 16 in Tacoma, Washington. Will YOU be going?

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