PRIME Minister Lee Hsien Loong and his wife Ho Ching hosted a private dinner last night at Sentosa Cove for Malaysian Prime Minister Najib Razak and his wife Rosmah Mansor.
The dinner kicked off a two-day leaders' retreat for Datuk Seri Najib and PM Lee.
Today, bilateral talks will start in earnest.
The agenda for this year's retreat, which marks the 50th anniversary of Singapore-Malaysia ties, is likely to focus on the planned high-speed rail link between Kuala Lumpur and Singapore.
Singapore has said it will announce the location of its high-speed rail terminal at this retreat. Three sites have been shortlisted: Jurong East, Tuas West and the city centre.
Malaysia is siting its terminus within the Bandar Malaysia project, which will transform the old Sungei Besi area - 3km from Kuala Lumpur's financial district - into a dynamic, connected township.
This is the sixth retreat for the two premiers.
These regular meetings have yielded major agreements in recent years.
It was at the 2013 retreat that the high-speed rail link, which will cut travel time between Kuala Lumpur and Singapore to just 90 minutes by 2020, was announced.
PM Lee also posted on his Facebook on Tuesday a photo taken at the dinner.