The 2015 MTV EMAs (also known as the MTV Europe Music Awards) were held at the Mediolanum Forum in Assago, in Italy, which Australian actress hosted the awards?
2015 MTV Europe Music Awards:  On 30 September 2015, it was announced that singer Ed Sheeran would host the awards, along with actress Ruby Rose. Ruby Rose: Ruby Rose Langenheim (born 20 March 1986), better known as Ruby Rose, is an Australian model, DJ, recording artist, actress, television presenter, and former MTV VJ.
Ruby Rose Langenheim