Lifestyle Home Pregnant Joanna Gaines Shares Wedding Photo to Celebrate 15th Anniversary: 'Here's to 50 More' Chip and Joanna met in 2001 while she was working at her father's auto shop and he was holding down a handful of small businesses By Karen Mizoguchi Published on May 31, 2018 04:50 PM Share Tweet Pin Email Happy 15th wedding anniversary, Chip and Jo! The pregnant Fixer Upper alum, 40, shared a black and white portrait of the couple on their wedding day to celebrate the milestone moment on Thursday. “It’s been a good fifteen years @chipgaines Here’s to fifty more,” Joanna wrote on Instagram and Twitter. In the sweet photo, Chip gives his bride a kiss on the cheek as they ride off in a car decorated with a sign reading, “Just Married.” Joanna Gaines on How a Spontaneous Road Trip She Took with Chip ‘Reminded Me of Our Honeymoon’ The soon-to-be father of five, 43, also gave Joanna a sentimental shout-out on Twitter Thursday. “15 years.. where’d they go; 15 years.. I’d like to know; 15 more, to God I pray; 15 more just to make her day. Happy anniversary sweet girl!” he wrote. See the Sweetest Throwback Photos Chip and Jo Have Ever Shared! The pair — who share four children Drake, 13, Ella, 11, Duke, 9, and Emmie Kay, 8 — met in 2001 while she was working at her father’s auto shop in Waco, Texas, and he was holding down a handful of small businesses. Years later, they chose the historic Earle-Harrison House as the venue for their May 31, 2003, ceremony. And honeymooned in New York, even naming their first child after the Drake hotel where they stayed. Want to keep up on the latest from PEOPLE? Sign up for our daily newsletter to get our best stories of the day delivered straight to your inbox. Now, 15 years on, they’re growing their family again! After announcing the end of Fixer Upper in September, Chip and Joanna revealed they’re expecting a boy, this summer. Earlier this month, the Gaineses revealed how they keep their romance going after a decade and a half together. “Chip and I have a standing date night once a week. We usually choose to stay close to home and rotate through our favorite dinner spots [in Clifton, Texas],” Joanna said in the summer issue of theirMagnolia Journal magazine. Chip Gaines Golfs with Sons Drake and Duke After Defending Family Against Critic of His Parenting In December 2017, Chip revealed the secret to their successful marriage, sharing that the power couple is just as prone to everyday ups and downs as the rest of the world. “It’s hard work. Jo and I have struggles and fighting and arguments just like anybody else. This isn’t like we got lucky and hit the lottery and the two perfect people fell in love,” he said in the January issue of SUCCESS.