The 46th Annual CMA Awards are only two days away, and the star power for the evening continues to rise.

Joining the celebrity roster presenting awards will be co-stars of the hit TV series "Nashville," Connie Britton and Hayden Panettiere, "Last Man Standing" actor Tim Allen, Olympic gold medalist Shawn Johnson and actress (and Brad Paisley's wife) Kimberly Williams-Paisley. They will be joined by Darius Rucker, Jake Owen, Jana Kramer and Reba McEntire, who will also present coveted trophies.

Hunter Hayes has also been added to the live broadcast. The New Artist of the Year nominee will perform his chart-topping hit, "Wanted." He joins a previously announced list of performers that includes Miranda Lambert, Jason Aldean, Luke Bryan, the Zac Brown Band, Little Big Town, Keith Urban and Dierks Bentley, among many other big names in country music.

"Good Morning America" will broadcast live from Nashville Thursday morning (Nov. 1). For the first time ever, the morning show will announce winners in two categories: Musical Event and Music Video of the Year. (Those two awards were previously presented during a pre-show ceremony that was not seen on TV.) Also on "GMA" Thursday, Reba will perform the theme song from her new ABC show, "Malibu Country," as well as her No. 1 hit, "Turn on the Radio" and a surprise tune.

Love and Theft, who are nominated for Vocal Duo of the Year and New Artist of the Year, will host the pre-telecast CMA Awards ceremonies, which will stream live on, beginning at 7:30 PM ET. During their ceremony, they will recognize the winners for Musical Event and Music Video of the Year and also present several awards, including the Musician of the Year trophy.

The 46th Annual CMA Awards will air live from Nashville this Thursday at 8:00 PM ET on ABC. See a full list of this year's nominees here, and our predictions on who will walk away a winner here.

Watch a Report on the 2012 CMA Nominees

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