Demi can werk!!
[Image via WENN.]
Although the couple has yet to go public with their "very new" romance, it's pretty obvious the two are together.
Just last week Nina was spotted on the set of The Voice before making another appearance at a live taping just a couple days later.
Wonder how long this one will last? And more importantly will there be any models left for Adam to conquer by then???
[Image via Judy Eddy/WENN.]