First of all, this is an extremely common question.
Don't feel that you're the only one wondering this. There are thousands of people right now wondering the same thing.
There's actually a bit of a myth going on about this thing called natural talent, or god given talent.
The thing is, when it comes to singing at the highest levels, there is some natural ability involved. Some people have abilities they are born with that can be greater than others.
But for 99% of us, singing is something you can definitely learn and get better at. Even famous singers had to learn almost all of their abilities at some point.
So when you ask the question to yourself: "Can I Sing?", please know that you absolutely can. You just have to give it a real shot.
The video above is a great overview on answering this question.
It is the most down to earth and truthful advice on this topic! Watch it again.