Chesney named entertainer of the year.

Keith Urban and Gretchen Wilson were the big winners at tonight's (May 17) Academy of Country Music Awards, held at the Mandalay Bay Event Center in Las Vegas.

Wilson was the surprise winner in the female vocalist of the year category, and also won the award for top new artist. Urban was named top male vocalist and his album, "Be Here" (Capitol Nashville), won for album of the year.

Kenny Chesney took home the evening's biggest prize, entertainer of the year.

Tim McGraw's "Live Like You Were Dying" won for single and song of the year. The latter prize went to songwriters Craig Wiseman and Tim Nichols.

"Whiskey Lullaby," performed by Brad Paisley and Alison Krauss, won for vocal event and video of the year.

Brooks & Dunn were named vocal duo of the year, while Rascal Flatts won for top vocal group.

The Home Depot Humanitarian Award, which is the evening's only fan-voted prize, went to Neal McCoy.

As previously announced, the ACM's Pioneer Award was posthumously awarded to Chris LeDoux by Garth Brooks.

The awards are determined by ACM members.

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