The singer has been working on solo material for several months, after signing a record deal with Warner Bros Records back in September, and now he's unveiled debut single 'Get Stupid'.
Appearing on ITV's Lorraine today, he said: "[Going solo] is different because everything is on your shoulders now, whereas before I was 25% of this package... and now it's just me on my own. It's scary but it's exciting… Change is good!"
He said his fellow JLS stars - Marvin Humes, JB Gill and Oritise Williams - had all been supportive and despite not being a band anymore, they talk frequently.
"We've still got our little groups that we have a chat on and find out what each other are doing daily. They're all doing so great and loving life as well so it's all good!"
Aston released the video for debut single 'Get Stupid' this week, nine months after signing his record deal.
Explaining the delay in releasing the material, he said: "Don't get me wrong, it wasn't my choice. The team around me, which are amazing, were like 'there's no rush, you haven't got to rush, just get it right'... I was in the same mindset of the JLS writing format and performing and that type of thing for so long.
"Trying to find yourself is a big deal so I definitely had to take that time to sit back and watch the world go by and experience things on my own."