In pictures: Peres' 80th birthday

1 of 5 A host of world figures turned up in Tel Aviv on Sunday, to mark the 80th birthday of Nobel peace laureate Shimon Peres

2 of 5 Prime Minister Ariel Sharon, both a long-time friend and a political foe, was among Mr Peres' high-profile guests

3 of 5 Former Soviet leader Mikhail Gorbachev turned up to salute his fellow Nobel peace prize laureate

4 of 5 During celebrations dedicated to the troubled quest for Middle East peace, former US President Clinton took the stage...

5 of 5 ... and in an impromptu duet with an Israeli teenager sang the John Lennon song Imagine.