Tomorrow is the third reading of the Marriage (Same-Sex Couples) Bill in the House of Lords. This weekend, we are looking back at the Out4Marriage campaign launched by PinkNews last year to advocate the case for same-sex marriage.

With no budget, PinkNews convinced celebrities, religious leaders and politicians to passionately advocate the case for equal marriage.

In addition to Nick Clegg (above), fellow party leader, Ed Miliband, the leader of the Labour party, recorded an Out4Marriage video

Home Secretary, Theresa May recorded a powerful message in favour of equality in marriage.

Culture Secretary and Minister for Equalities, Maria Miller became the third cabinet member to record a video for Out4Marriage on her appointment to her current position.

Mayor of London Boris Johnson recorded an Out4Marriage video during the London 2012 Olympics.

Shadow Home Secretary Yvette Cooper recorded the pilot video for the Out4Marriage campaign.

Former Equalities Minister Lynne Featherstone recorded one of the first Out4Marriage videos.

Out4Marriage, launched by PinkNews with the support of partners and volunteers featured videos by politicians, celebrities, religious leaders and ordinary people explaining why they supported changing the law. Videos included Deputy Prime Minister Nick Clegg; Home Secretary Theresa May; Minister for Equality and Culture Secretary Maria Miller; Labour Leader Ed Miliband, Shadow Chancellor Ed Balls, Shadow Home Secretary Yvonne Cooper, Sir Richard Branson, the Virgin founder; the film star Hugh Grant; Stephen Fry; the actor Simon Callow; the illusionist Derren Brown; The Saturdays girl group; Jack Straw, the former Foreign Secretary; Caroline Lucas, the leader of the Green party; Lynne Featherstone, the Lib Dem Minister; Peter Tatchell, the gay rights campaigner; Lord (Chris) Smith, the first openly gay MP and Rabbi Ariel Friedlander and many, many more.