'Duck Dynasty's John Luke Robertson Engaged to Mary Kate McEacharn: 'God Has Truly Blessed Us' (Pictures)

Duck Dynasty's John Luke Robertson and Fiance Mary Kate

(Instagram)

A&E reality show Duck Dynasty's Willie and Korie Robertson's oldest son John Luke Robertson is engaged to his girlfriend Mary Kate McEacharn on his 19th birthday, the family's rep confirm to Us Weekly.

"I am so excited to marry my best friend," John Luke told Us Weekly. "I know my parents married young as well, and they have always been examples of what 'could be' to me. Fast-forward 22 years and they are more in love than ever, and I hope Mary Kate and I are the same way in the years to come. God has truly blessed us."

John Luke, older brother of "Dancing With The Stars" contestant Sadie Robertson, proposed to his girlfriend just before they took several Instagram photos. McEacharn posted a picture on her account showing off her engagement ring as her fiancé held a sign that read "Future Mrs. Robertson." In the caption, she said, "Happy birthday to the boy I'm going to marry."

Rebecca Robertson, Willie and Korie's adopted foster daughter from Taiwan, also posted a picture on Instagram with John Luke and Mary Kate, with the caption, "She said YES @missmarymcmcmc so excited to be your sister."

Duck Dynasty John Luke Robertson, Rebecca Robertson, and Mary Kate

(Rebecca Robertson/Instagram)

John Luke's mom Korie confirmed the good news on Twitter: "Yes, it's true @John316Luke923 proposed to this beauty @MaryKateMcE last night! We couldn't be more excited!!"

John Luke Robertson and Fiance Mark Kate

(Twitter)

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