© Getty Images

Mahatma Gandhi -

Mahatma Gandhi visited Britain in 1931 to attend a conference. He used the opportunity to meet the British prime minister, Ramsay MacDonald, at 10 Downing Street. By now the Indian leader was quite the celebrity, and attracted considerable press interest while in the country.

© Getty Images 

Joan Crawford -

Hollywood actress Joan Crawford and South African-born British entrepreneur Billy Butlin of the Butlin's seaside holiday camp empire with Prime Minister Harold Wilson and his wife at 10 Downing Street in April 1966.

© Getty Images 

Salma Hayek -

Actress Salma Hayek flashes a smile for the cameras as she enters 10 Downing Street for a reception during London Fashion Week in February 2013.

© Getty Images 

Angelina Jolie -

Prime Minister David Cameron glances over at Angelina Jolie, who was at 10 Downing Street in April 2014 in her capacity as Special Envoy for the United Nations High Commissioner for Refugees on the opening day of a four-day summit on preventing sexual violence in conflict.

© Getty Images 

"The Three Tenors" -

"The Three Tenors," Luciano Pavarotti, José Carreras, and Plácido Domingo, line up with Prime Minister John Major and his wife Norma outside 10 Downing Street for a group photograph in July 1996.

© Getty Images 

Robbie Williams and Damian Lewis -

Singer Robbie Williams shares a joke with 'Band of Brothers' actor Damian Lewis on the doorstep of 10 Downing Street in May 2006 after their meeting with the PM.

© Getty Images 

Elton John -

Elton John meets Prime Minister John Major at a Downing Street reception in October 1991.

© Getty Images 

Bob Geldof and Bono -

Bob Geldof and U2 front man Bono at 10 Downing Street with Prime Minister Tony Blair, who hosted breakfast talks with the rock star pair in May 2003. Geldof and Bono urged world leaders to unite in the fight against the AIDS epidemic and to turn away from their disagreements over the war in Iraq.

© Getty Images 

Claudia Schiffer -

Fashion model Claudia Schiffer poses for a photograph on the famous 10 Downing Street staircase, decorated with portraits of British prime ministers, as she attends a drinks reception launching London Fashion Week in February 2011.

© Getty Images

President Obama -

US President Barack Obama and his wife Michelle on the doorstep of 10 Downing Street with Prime Minister Gordon Brown and his wife, Sarah. The president was in London in early April 2009 for talks.

© Getty Images 

HRH Queen Elizabeth II -

The Queen and Duke Of Edinburgh attend a April 2002 gala dinner at 10 Downing Street with Prime Minister Tony Blair and his wife Cherie to celebrate Her Majesty's Golden Jubilee Year.

© Getty Images 

Noel Gallagher -

Noel Gallagher of British band Oasis chats with Prime Minister Tony Blair in July 1997. Oasis were at the height of their fame during "Cool Britannia," a period of increased pride in the culture of the United Kingdom.

© Getty Images 

Brian May -

Tony Blair chats with Queen guitarist  Brian May at the Global Cool Reception at 10 Downing Street in January 2007.

© Getty Images 

Naomi Campbell -

Fashion model Naomi Campbell attends the 25th Anniversary Party for London Fashion Week at 10 Downing Street in  September 2008.

© Getty Images 

Tommy Hilfiger -

Fashion designer Tommy Hilfiger attends the official launch party for the London Collections: MEN AW13 at 10 Downing Street in January 2013.

© Getty Images 

David Beckham -

Soccer star David Beckham and then England team manager Sven-Göran Eriksson visit 10 Downing street with the England squad on May 9, 2002, to receive good wishes for the forthcoming World Cup tournament.

© Getty Images 

Emma Thompson -

Tony Blair poses for photographs outside 10 Downing Street with actress Emma Thompson in June 2005. She'd appeared in 'Love Actually' two years previously, a film that includes a fictional British prime minister in the plot line.

© Getty Images 

President Gorbachev -

Russian president Mikhail Gorbachev and his wife Raisa with Margaret Thatcher and her husband Dennis on the steps of 10 Downing Street in April 1989.

© Getty Images 

Gordon Ramsay -

British celebrity Michelin chef Gordon Ramsay takes a selfie outside 10 Downing Street before meeting the PM in June 2018.

© Getty Images 

President Reagan -

US President Ronald Reagan, in London for an economic summit, shakes hands with Margaret Thatcher at 10 Downing Street in June 1984. The two leaders got on famously and held each other in high regard.

© Getty Images 

Australian national rugby team -

Members of the Australian national rugby team pose outside 10 Downing Street on January 15, 1930, during a visit to British Prime Minister Ramsay MacDonald.

© Getty Images 

Kevin Spacey -

Tony Blair meets actress Sinead Cusack and actor Kevin Spacey at a Downing Street reception in July 1997.

© Getty Images 

Queen Rania -

Queen Rania of Jordan on the steps of 10 Downing Street with Cherie Blair, wife of British Prime Minister Tony Blair, in November 2001.

© Getty Images 

Debbie Harry -

Punk queen Debbie Harry of Blondie attends a special reception marking the Cosmopolitan Women of the Year ceremony at 10 Downing Street in November 2011.

© Getty Images 

Gary Barlow and Peter Andre -

Gary Barlow of British pop group Take That and fellow singer Peter Andre attend a celebratory reception for BBC Children In Need at 10 Downing Street in January 2012.

© Getty Images 

Lennox Lewis -

Three-time world heavyweight champion boxer Lennox Lewis gets the coveted 10 Downing Street doorstep all for himself in this February 2012 portrait taken prior to the Laureus World Sports Awards in London.

© Getty Images 

Yes, Prime Minister -

Actors Paul Eddington, Nigel Hawthorne, and Derek Fowlds, the stars of the hit British television series 'Yes Minister' and 'Yes, Prime Minister,' outside the real thing in October 1982. Margaret Thatcher was a big fan of the comedy show.

© Getty Images 

Michael Collins -

Sinn Fein leader Michael Collins leaving 10 Downing Street during treaty negotiations between representatives of Sinn Fein and the British government, which resulted in the Anglo-Irish Treaty of December 1921.

© Getty Images 

Future prime minister -

Future British prime minister Harold Wilson, just eight years old, poses outside 10 Downing Street in 1924. He'd go on to occupy the building in 1964.

Sources: (Gov UK)

See also: The surprising celebrity friends of politicians

© Getty Images