The nominees for the 2011 Country Music Awards have been announced.It's Taylor Swift against the boys. With five nods in hand, the 21-year-old country pop singer, will be competing for CMA's top award, entertainer of the year, with Blake Shelton, Keith Urban, Jason Aldean, and Brad Paisley. Jason Aldean, Blake Shelton and Brad Paisley who all have five nods, will be fighting against each other, in addition to Kenny Chesney and Keith Urban for the male vocalist of the year title.For the female vocalist of the year award, Swift is set to challenge Carrie Underwood, Martina McBride, Sara Evans and Miranda Lambert, who snatched the award last year. The battle is on among The Band Perry, Zac Brown Band, Lady Antebellum, Little Big Town, and Rascal Flats to be named as the vocal group of the year.Meanwhile, Jason Aldean's "My Kinda Party", Blake Shelton's "All About Tonight", Taylor Swift's "Speak Now", Zac Brown's "You Get What You Give", and "This is Country Music" by Brad Paisley, are all striving for the album of the year trophy. Hosted by Carrie Underwood and Brad Paisley for the fourth time, the 45th annual Country Music Association Awards will reveal the victors in Nashville, Tennessee, the land of country music, on November 9th.