You can go floor to ceiling to really open up an area.
(photo from Pinterest)
Sunburst and mid-century!!
(photo from desire to inspire)
Or animal inspired!
(photo from Martyn Lawrence Bullard)
Distressed and antique-y. Lovely.
(photo from skona hem)
Use mirrored frames with art already inside of them!
(Tone Poem Room Idea from High Fashion Home using the Love Square Wall Decor, Crown Mirrored Hexagon Framed Art and Mirrored Owl Wall Art)
Whimsical and bubbly!!
(photo from Houzz)
A mirror in front of another mirror.
(photo from distillery image)
Beautiful entry!
(photo from Pinterest)