Should I replace a front cracked Veneer with another Veneer or is a Crown okay?

I would urge you to have Invisalign over veneers. Yes, veneers can be done to correct your crowding and it would give you a beautiful smile!  You have to reshape healthy teeth on the top and bottom. You may need 8 upper an 8 lower  Enders to get the result you are asking for....

You can have veneers placed on any tooth.  The problem is how long will they last?  Why are you doing them?  What other options do you have?  Have a consultation with the dentist to have these questions answered first.  If you gum disease is under control, you can have...

The shape of veneers can be changed in the mouth without a problem.  If you do not like the shade or seeing the tooth thru the veneer, they can not be fixed without redoing them.  This is handled in many different ways in different practices.  The color and thickness of the...

It looks like porcelain veneers would look great on your front teeth. Remember you have 2 larger teething a smaller space. Your teeth will need to be contoured quite a bit to make them look like they are in alignment. Find an experienced Cosmetic Dentist to have this done. 

Widening your smile after having veneers placed is certainly not a problem.  However, if spaces are created between your veneers, it may required to have one or more of them redone.  I recommend talking to your dentist about this, so that you and your doctor will have no surprises....