The event is billed as a family Christmas concert for all ages.
Walker has performed on the island several times and has always wanted to do a show for the children. He says he is very excited about tonight's concert.
Savali has recently toured with Chris Brown, Rihanna, Usher and Beyonce. He began his career with Paris Gobel and the Royal Family hip-hop dance crew.
Walker and Savali visited Apii Te Uki Ou and Tereora College yesterday, entertaining the students.
The Christmas concert has been made possible with support from Rehab, Prime Foods, Bluesky, Pacific Resort Hotel Group, Vaima Water and several other local businesses.
There are group discounts for groups of 20 or more, the VIP Meet and Greet with Walker starts at 6pm.
Tickets are available from Rehab, Reefside, Chantal's Concierge and will also be available at the door.
The ticket prices are: Student (5-17 years) $15 (normal price $20), Adult (18+) $25 (normal price $30)
Children under five are free of charge, VIP Meet and Greet Student tickets are $50 (normal price $60) and VIP Meet and Greet Adult $70 (normal price $80).