sing🎤.ws is available.

Encoded to: “xn--sing-ot53c.ws”

Register

Register - 3m - Free

Register an emoji domain for three months, completely free of charge. Note that free emoji domains end in ".ga" rather than ".ws". We cannot guarantee the domain will be available for re-registration after the three month period. Domain is subject to Freenom's terms and conditions, linked here.
I agree. Check free domain availability.

Purchase - 1yr - $4.99

This option is ideal for businesses or indivduals who cannot afford to risk losing their emoji domain to another party. Purchasing the domain grants you full ownership rights over it for the duration of its registration. This domain registrar's site also has inbuilt functionality enabling you to renew your domain before anyone else gets the chance.
Purchase the Domain.