I'm not sure her "bed" installation, would fit everyone's definition of what "art" is - it certainly got people talking all the same:
"Art: the expression or application of human creative skill and imagination, typically in a visual form such as painting or sculpture, producing works to be appreciated primarily for their beauty or emotional power."
She talks about it here: http://www.tate.org.uk/whats-on/tate-liverpool/exhibition/tracey-emin-and-william-blake-focus?gclid=CPrT6_r4xtICFU5uGwodWlUMQg