Photoshop Modifications

I have been practicing with Photoshop lately as practice for when I will create my Music Magazine Cover and I have been experimenting with different tools and finding out their functions and what they will do, currently I am experimenting with a photo of Emma Blackery and I have managed to remove the background and rounded down the edges of the image, This is what I have done so far:

I hope to continue to experiment with Photoshop and image editing.