petra mini dress Low scoop back Petra Mini Dress - Silver

Take that favorite poplin skirt from summer straight into the fall with the help of a tailored crisp button-up shirt and collarless blazerone of our favorite jacket trends of the season

Lastly, complete the outfit with leather penny loafers or brogues

Black is the go-to color, although brown is sometimes acceptable

And you can bet the British star will belt out her biggest hit, 'Murder On The Dance Floor' a song that climbed the charts in the UK and countless other countries

"Hands down, the best costumes I've ever seen were at Theatre Bizarre, a Halloween masquerade held annually in Detroit, MI," she told Bored Panda