Scotland's First Minister Alex Salmond (l.) and deputy First Minister Nicola Sturgeon hold copies of the referendum white paper on independence during its launch in Glasgow, Scotland, Nov. 26, 2013. An independent Scotland would keep the British pound and the queen and would remain in the European Union but have its own defence force and collect its own taxes, Salmond said. The 670-page blueprint is aimed at convincing Scots they should vote on Sept. 18, 2014, to end the 306-year union with England. Russell Cheyne/Reuters
A teacher and schoolgirl run in front of a sign indicating the date of Scotland's independence referendum outside the Scottish Parliament in Edinburgh, Scotland, March 21, 2013. Scotland will hold its independence referendum on September 18, 2014, First Minister Alex Salmond said. David Moir/Reuters
James Wallace wears a kilt as he stands outside the entrance to Edinburgh castle in Scotland, January 25, 2012. Scotland's nationalist leader Alex Salmond marked Burns Night, when Scots toast their national poet, by unveiling his plans for an independence referendum in defiance of British government proposals. David Moir/Reuters
A busker plays bagpipes for tourists near the Houses of Parliament in London, January 12, 2012. A row between the British government in London and the SNP has escalated sharply, after British Prime Minister David Cameron outlined a plan to bring forward the referendum, and restrict the questions asked. Luke MacGregor/Reuters
A derelict cottage is seen at the side of the A9 near Blackford, Scotland, January 10, 2012. British Prime Minister David Cameron said Scotland should hold an independence referendum as early as next year, clashing with the Scottish National Party (SNP) which wants more time to rally support for a break from the United Kingdom. Cameron opposes Scottish independence. Russell Cheyne/Reuters
Andy Lang (r.) and Liam Reid dance together, wearing kilts while on their way to a wedding, as bagpiper Richard Macdonald plays in the Royal Mile in Edinburgh, Scotland, May 25, 2012. Supporters of independence for Scotland launched the 'Yes Campaign' with what they say is the biggest grassroots campaign in Scottish history. David Moir/Reuters
The Statue of Robert the Bruce is seen at Bannockburn, Scotland, site of a battle in 1314 against an English army, January 10, 2012. British Prime Minister David Cameron, who opposes Scottish independence, said uncertainty about the 300-year-old union between England and its smaller northern neighbor was creating problems for business and harming investment. Russell Cheyne/Reuters
Britain's Prime Minister David Cameron (r.) and Scotland's First Minister Alex Salmond, sign a referendum agreement during a meeting at St Andrews House in Edinburgh, Oct. 15, 2012. Cameron met with the leader of Scotland's separatist administration to sign a deal on a referendum that could break up the United Kingdom. Gordon Terris/AP
A man adjusts a kilt hanging outside a Scottish souvenir shop in Edinburgh, Scotland, January 12, 2012. David Moir /Reuters
A Scottish Saltire flag blows in the wind near the Wallace Monument, Stirling, Scotland, Jan. 12, 2012. Chris Clark/AP
Sean Connery, a long-time Scottish nationalist, advocates breaking the 307-year tie with England. Unlike Sean Connery, English singer David Bowie, who lives in New York, has urged Scots not to break away,.
Belinda Goldsmith, Reuters /
March 24, 2014
Celebrities plunging into the debate on Scottish independence risk attracting public wrath from opposing sides in the run-up to the Sept. 18 referendum. Some, like tennis star Andy Murray, have opted to keep quiet.