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Jason Merritt / Getty Images North America 1 / 6

Carrie Underwood has advised Miley Cyrus to enjoy a long engagement to Liam Hemsworth, saying she wishes she'd had more time to plan her wedding to Mike Fisher.

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Cyrus announced on Wednesday that Hemsworth had asked her to be his wife on May 31, after a three-year romance. They have not yet revealed when they plan on exchanging vows.

Underwood, who married ice hockey star Fisher in July 2010, just six months after he proposed, tells "Extra," "For me, planning, I wish we could have been engaged a little bit longer but our schedules were like, 'We can get married this day,' so that's what we had. But just taking it easy, you know. If you can be engaged for a while, I'm sure that's really nice, plan everything slow and take your first couple of years just to really just hang out together and enjoy it."

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