- Prime Minister Lee Hsien Loong visited the Kingdom of Cambodia on 21 October 2012 to pay tribute to the late King-Father of the Kingdom of Cambodia, His Majesty Norodom Sihanouk. Prime Minister Lee had a Royal Audience with His Majesty King Norodom Sihamoni and Her Majesty Queen-Mother Norodom Monineath, and also met with Prime Minister Hun Sen.
- Cambodian Deputy Prime Minister and Minister of Defense General Tea Banh made an introductory visit to Singapore on 13 February 2012 in conjunction with his attendance at the Singapore Airshow. General Tea Banh called on Minister for Defence Dr Ng Eng Hen.
- Minister for Foreign Affairs K Shanmugam made an official visit to Cambodia from 5-6 October 2011. Minister Shanmugam met with Deputy Prime Minister and Minister of Foreign Affairs and International Cooperation Hor Namhong. Minister Shanmugam also had a Royal Audience with His Majesty King Norodom Sihamoni, and called on Prime Minister Hun Sen as well as Deputy Prime Minister and Minister in Charge of the office of the Council of Ministers Sok An.
- Cambodian Prime Minister Hun Sen made an official visit to Singapore from 25-27 July 2010. Prime Minister Hun Sen called on President S R Nathan and Prime Minister Lee Hsien Loong, who also hosted him to dinner. Prime Minister Hun Sen also met with then-Senior Minister Goh Chok Tong and was hosted to lunch by Minister for Trade and Industry Lim Hng Kiang.
