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Miranda Lambert says she's "really excited to be 30." 

The country star, who reached the milestone birthday last November, tells "Spin" magazine she didn't do anything special to celebrate.  She says she "literally sat" at home with husband Blake Shelton and had dinner. 

Lambert adds that she thinks that's "an indication" of how the upcoming decade will go for her -- and she's looking forward to it.  Miranda explains that "in your 20s you're kind of running around trying to figure out who you are and screaming out, 'Listen to me, I have something to say!'"  She says she's eager to become more introspective and learn more about herself -- which she's already started doing with her upcoming album Platinum.

Lambert's new disc, which features her current single, "Automatic," will be in stores on June 3rd. 

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