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Well, I was going to suggest the ubiquitous fiddle leaf fern, but looks like you have a cat, and they are toxic to cats. You might Google plants that are non-toxic to cats and see if anything grabs your interest. I think some palms may be ok with cats (and they can grow fairly large), or you might look for a contemporary plant stand and just sit a smaller plant on it -- maybe a giant tropical bromeliad or something along those lines. That said, if your cat is prone to pester plants, it's probably not a good idea to include one in your décor. (Definitely don't put a fake plant in this pretty space.)

I need help to make this space more glam and modern. Any suggestions?

Love your cabinet! I agree that the area looks just fine bare. You have nice molding nearby, and not a huge empty space. If you decide it needs more, I’d do something like this. Simple and balanced (with the art going just above the height of the door). I like how this has a layered look: I do have art around my TV for something interesting to look at when the TV is off (it’s a big wall, would look awful empty).