How to setImage in UIButton in Round shape ,select photo using ImagePickerView

How to setImage in UIButton in Round shape ,select photo using ImagePickerView

Write like,
self.btn.frame = CGRectMake(70, 300, 100, 100)
self.btn.setBackgroundImage(UIImage(named: "ImageName"), forState: UIControlState.Normal) // Assign your selected image from imagePicker
self.btn.layer.borderWidth = 1
self.btn.layer.masksToBounds = false
self.btn.layer.borderColor = UIColor.blackColor().CGColor
self.btn.layer.cornerRadius = self.btn.frame.height/2
self.btn.clipsToBounds = true
Its working fine.