the Spiceworld Tour, starting in Dublin, Ireland, before moving to mainland Europe and North America and returning to the UK for two performances at Wembley Stadium. Later that year, the Spice Girls sang on the official England World Cup song "(How Does It Feel to Be) On Top of the World", their last song with Halliwell until 2007. On 31 May 1998, Halliwell announced her departure from the Spice Girls through her solicitor. The announcement was preceded by days of frenzied press speculation after Halliwell missed two concerts in Norway and was absent from a performance on The National Lottery Draws. Halliwell first cited creative differences, and later said that she was suffering from exhaustion and disillusionment. Rumours of a power struggle with Brown circulated in the press. Halliwell's departure shocked fans and became one of the biggest entertainment news stories of the year, making news international headlines. The four remaining members were adamant that the group would carry on. The North American leg of the Spiceworld Tour went on as planned, beginning in West Palm Beach, Florida, on 15 June, and grossing $93.6 million over 40 sold-out performances. The tour was attended by an estimated 2.1 million people over 97 shows with an estimated gross of $220-$250 million, the highest-grossing concert tour by a female group. It was accompanied by a documentary film, Spice Girls in America: A Tour Story. "Viva Forever", the last single released from Spiceworld, and became the Spice Girls' seventh UK's number-one. The video was made before Halliwell's departure and features all five members in stop-motion animated form. While on tour in the United States, the Spice Girls wrote and recorded new material. They released a new song, "Goodbye", before Christmas in 1998. It was seen as a tribute to Halliwell, although parts of it had originally been written when Halliwell was still a part of the group. It became the Spice Girls' third consecutive Christmas number one, equalling the record previously set by the Beatles. In November, Bunton and Chisholm appeared at the 1998 MTV Europe Music Awards without their other bandmates, accepting two awards on behalf of the Spice Girls for Best Pop Act and Best Group. That year, Brown and Adams announced they were pregnant. Brown was married to the dancer Jimmy Gulzer and became known as Mel G for a brief period; she gave birth to their daughter Phoenix Chi in