n. pl. di·vas or di·ve (-v)
1. An operatic prima donna.
2. A very successful singer of nonoperatic music: a jazz diva.
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[Italian, from Latin dva, goddess, feminine of dvus, god. See dyeu- in Indo-European Roots.]
Going by the defitnition, my favorite Diva in the world of easy listening would have to be Celine Dion.