The parade also included cardboard vehicles like fighter jets and army tanks.
The flat sold for S$220,000 more than a similarly-sized unit in the same block.
He also struck up some small talk with them.
Changi Airport operations faced a 40-minute disruption due to the scramble.
Oyen was seen staring meow-nacingly at its new rival with ears pulled back.
He has also sported other creative haircuts in the past.
The singer once had someone yell profanities at him while he was busking.
He reminded people to go for regular health checks.
Though issues come up from time to time, the Government has always dealt with them properly and transparently, he said.
Her husband remains hospitalised in the intensive care unit.