British singer Amy Winehouse has laughed off reports she is to marry her fiance BLAKE FIELDER-CIVIL this weekend (ends20May07). The Rehab star - who got engaged last month (Apr07) - insists rumours suggesting the couple are set to tie the knot in Miami, Florida, are not true. She says, "Nah... we're just chilling out, having a good time. "We only just got engaged."