A source close to the situation explained:
Gurl shared pics of herself in the risqué (for most people) getup at 'Lil Mile at Beacher's Madhouse, copying Kim's classic single boob pasty look from the 1999 VMAs.
Now we know what the purple wig was for! But what about that classic Miley one..?
Well, Mileybird did say she felt like Lil' Kim on the inside! We guess she's just BUSTing out! LOLz!
Ch-ch-check out the pics (below) to see more of the instant classic costume! And…
CLICK HERE to see the gallery, "Skimpiest Celebrity Halloween Costumes!"
CLICK HERE to see the gallery, "Celebs Who Dressed As Other Celebs For Halloween!"
[Image via Twitter.]