Nashville Star’s Miranda Lambert, who was escorted by her brother Luke Lambert, wore a white goddess dress with an incredibly revealing cleavage on the red carpet of the 2011 Academy of Country Music Awards held at MGM Grand Garden Arena in Las Vegas on Sunday (April 3)- more pictures below.

BEST Dressed & WORST Dressed At 2011 ACM Awards Red Carpet (PHOTOS)

The 27 year-old was the big winner of the night as she took home FOUR awards, including Top Female Singer and Single Record Of The Year, Song of the Year, Video Of The Year (“The House That Built Me”).

46th Academy Of Country Music (ACM) Awards: Winners 2011

Miranda also had the pleasure of sharing the stage with Twilight heartthrob, Robert Pattinson, and his “Water For Elephants” newlywed co-star, Reese Witherspoon, who presented the award for Female Vocalist of The Year. Lucky!

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Miranda Lambert At 2011 ACM Awards Pictures

[images: Judy Eddy/wenn.com]