Reggaeton star Don Omar, known as the 'King of Reggaetón,' has revealed he is battling cancer through an emotional Instagram post. Omar, whose real name is William Omar Landrón Rivera, shared a photo of his hospital wristband from Orlando Health and expressed optimism about overcoming the illness. He did not disclose specific details about his diagnosis or treatment. The announcement comes shortly after he posted a video auditioning dancers for the second leg of his 'Back to Reggaetón Tour,' which is set to resume in August. Support has poured in from fellow artists and fans, with many sending their well wishes via social media. Despite his diagnosis, the tour remains scheduled to continue as planned.