Walker, an Australian-born New Zealand recording artist, actor and TV personality was the winner of seventh and last season of Australian Idol in 2009.
His performance at the grand opening of the newly renovated hotel in Nuku’alofa is booked for Friday, February 17 and is by invitation only.
The hotel which was previously solely owned by the government of Tonga was taken over by Fiji-based Tanoa Group of Hotels last year.
The hotel’s General Manager in Nuku’alofa, Peter Kurds had earlier said the renovation cost up to TOP$18 million.
