The US first couple President Barack Obama and Michelle Obama were the hosts at the G20 Summit Dinner held at the Phipps Conservatory and Botanical Garden in Pittsburgh on Thursday, where they entertained the world leaders and their spouses. Photos: AP
The US first couple with Canadian Prime Minister Stephen Harper and wife Laureen Harper.
Seen here welcoming Brazil's President Luiz Inacio Lula da Silva, his wife Marisa Leticia.
With Italy's Prime Minister Silvio Berlusconi.
Here welcoming Mexico's President Felipe Calderon and wife Margarita Zavala as they arrive for the G-20 summit dinner.
A welcome hug for German Chancellor Angela Merkel.
President Barack Obama welcomes Thai Prime Minister Abhisit Vejjajiva.
President Barack Obama and first lady Michelle Obama welcome France's President Nicolas Sarkozy and his wife Carla Bruni.
President Barack Obama and first lady Michelle Obama welcome Japan's Prime Minister Yukio Hatoyama and wife Miyuki Hatoyama.
With Russian President Dmitry Medvedev, and his wife Svetlana Medvedeva.
Posing for photographers along with Indonesian President Susilo Bambang Yudhoyono, and wife Kristiani.
The US first couple with Indian Prime Minister, Manmohan Singh and his wife Gursharan Kaur.
President Barack Obama and first lady Michelle Obama welcome South Korean President Lee Myung-bak and his wife Kim Yoon-ok.
President Barack Obama and first lady Michelle Obama welcome China's President Hu Jintao.