Miranda Lambert Admits She "Knew" Blake Shelton Was Married & "Off-Limits"

By:OK! Staff

Aug. 31 2011, Published 5:58 a.m. ET

In a new interview with Hoda Kotb on Dateline, country singer Miranda Lambert admits she knew her current husband Blake Shelton was already married and "off-limits" when she met him.

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Miranda and Blake first met at CMT's 100 Greatest Duets Concert in 2005 where they sang a duet together.

"And everybody who watched you two on stage that night said that there was something special there," Hoda told Miranda in Dateline. "Like you were actually watching, they thought, two people fall in love on stage right in front of their eyes."

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"And I didn't know what to do with it," Miranda said. "It was like my first sort of duet with some other country star and I didn't know if it was just initial butterflies because of that or...I didn't know what it was. It was just this draw to each other."

"There was a problem though, obviously. That he at the time was married," Hoda said of Blake's marriage to his longtime girlfriend Kaynette Williams. "When you learned about that what did you think?"