The class photo

World leaders posed for a picture at the G20 summit in London Wednesday. Full roster after the jump. (GETTY IMAGES)

(First row from L to R) South Korean President Lee Myung-Bak, French President Nicolas Sarkozy, Saudi King Abdullah bin Abdul Aziz al-Saud, China's President Hu Jintao, British Prime Minister Gordon Brown, Britain's Queen Elizabeth II, Brazilian President Luiz Inacio Lula da Silva, Indonesia's President Susilo Bambang Yudhoyono, Mexican President Felipe Calderon, Argentine President Cristina Kirchner and Russian President Dmitry Medvedev

(Second row from L to R) Australian Prime Minister Kevin Rudd, Prime Minister of Canada Stephen Harper, German Chancellor Angela Merkel, Spain's Prime Minister Jose Luis Rodriguez Zapatero, Dutch Prime Minister Jan Peter Balkenende, South African President Kgalema Motlanthe, US President Barack Obama, Turkish Prime Minister Recep Tayyip Erdogan, Indian Prime Minister Manmohan Singh, European Commission chief Jose Manuel Barroso and Prime Minister of Ethiopia Meles Zenawi (Third row from L to R) IMF Director General Dominique Strauss-Kahn, Secretary General of the United Nations Ban Ki-moon, Director General of the World Trade Organisation Pascal Lamy, Thai Prime Minister Abhisit Vejjajiva, Japanese Prime Minister Taro Aso, Italian Prime Minister Silvio Berlusconi, Czech premier Mirek Topolanek, Governor of the Bank of Italy Mario Draghi and World Bank president Robert Zoellick.