Congratulations are in order for Miranda Lambert and Anderson East! In Touch can exclusively confirm that the "Little Red Wagon" singer is engaged to her boyfriend of a year and a half after proposing to him.

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“They actually got engaged over the phone in late June," a source exclusively tells In Touch. "Miranda was playing a festival in Chicago and Anderson was at a gig in St. Louis. They were up talking long into the night and suddenly Miranda blurted out, ‘Will you marry me?’”

Anderson was clearly off guard because at first, he didn't think Miranda was being serious. He probably figured she was playing a joke on him or goofing around, but (thankfully!) he soon realized that she wasn't joking at all.

The source continued, "When Miranda told him that she was serious, Anderson didn’t think twice about saying yes." How sweet!

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And the couple isn't wasting any time when it comes to planning the exciting event. They've already decided to elope in the fall and then embark on a tropical honeymoon. But, their friends and family will be able to celebrate with them as well during a party next summer in honor of their nuptials.

Fans of Miranda's will definitely be excited to hear this news. She's getting her happy ending after an ugly split from Blake Shelton in 2015. Since their divorce, Blake has moved on with Gwen Stefani and now Miranda is preparing to be a bride again.

We can't wait for the wedding!