Prime Minister Datuk Seri Najib Razak last night celebrated his 63rd birthday in a simple ceremony attended by family members and friends.

Through his Facebook site, Najib uploaded several pictures of his birthday celebration at Seri Perdana with messages of appreciation for close friends who attended the occasion.

"Thanks to many friends from far and near who were present at my 63rd birthday celebration with prayers at Seri Perdana last night.

"I appreciate the presence of all of you. Thank you," he said.

Also present was Deputy Prime Minister Datuk Seri Ahmad Zahid Hamidi.

Najib, who was born on July 23 1953 in Kuala Lipis, Pahang, was the eldest child of second Prime Minister, Tun Abdul Razak Hussein.