He said this had given him the courage to begin the process and telling his fans felt like the next step.
Geiger said, "Love it or hate it this is who I have been for a looooong time".
The singer's music collaborator Shaun Mendez showed his friend support by commenting "love u" with four love heart emojis.
Geiger shared a post this morning writing, "Woke up to so much love. I have the best friends".
The response from his fans online has so far been overwhelmingly positive with many calling the star an "inspiration".
One user wrote, "Proud of you". While another said, "Stay like this, stay happy".
If there have been any negative comments they are hard to find.