A smell-a-like is a perfume that smells like a designer fragrance but with a different name and packaging, and at a cheaper price. A smell-a-like isn't an exact copy, but often smells very similar.
Versace's VERSENSE smells a lot like the original Diorella and is a similar light green color. The scent is flowery citrus, and I love it. Looked for the real Diorella and all I found were imitiations. The bottle said Diorella, but the smell just said cheap. And it was.
Although nothing seems to be as gorgeous as the real thing, this does have that gorgeous citrus and stylish quality