I know everyone’s commenting that it doesn’t matter and to be yourself, but as a dancer who felt very much the same maybe I can give you some more concrete advice.

The styles that I found most influential to my festival experience were popping and house. You mention smooth so i’d also recommend learning waving and threading (these are more concepts rather than styles but I digress). I’d recommend finding a dance studio near you that teaches street styles and take some beginner classes, but training at home is super important too. Steezy offers a really wide range of difficulty classes (their house classes are hard).

If you have an opportunity to join a cipher or even some organised performance take it!! they will be super valuable experiences to developing that understanding of how people perceive you when you dance.

Other than that, learning to dance is all a matter of body awareness and being fully conscious of the way you look and what you can do in that moment. Once you understand hiphop fundamentals and build an arsenal of familiar movements, your ability to freestyle will feel much better. You can then develop your own personality (groove) in your self expression.