'Bachelorette' Couple Kaitlyn Bristowe and Shawn Booth Are Adorable at Friend's Wedding, Joke About Not Being

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Kaitlyn Bristowe and Shawn Booth make for one gorgeous couple!

TheBachelorette stars attended Kaitlyn's good friend Jessica's wedding over the weekend in Vancouver, and the 31-year-old Canadian joked about when her own big day with Shawn will come.

"OMG GET MARRIED ALREADY," Kaitlyn captioned an Instagram picture of her and her fiance decked out in their formalwear.

WATCH: 'Bachelorette' Star Kaitlyn Bristowe and Fiance Shawn Booth Just Can't Stop With the Intense PDA

Kaitlyn served as a bridesmaid at her pal's nuptials, and shared a snap of her stunning makeup and side-swept 'do.

"Side note -- I cried about 13 times and not once did my makeup run," she joked.

Kaitlyn and Shawn have been engaged since the season 11 finale of The Bachelorette, when the 29-year-old private instructor proposed after winning Kaitlyn's heart. ET caught up with the couple in January at Bachelorin Paradise's Jade Roper and Tanner Tolbert's wedding at the St. Regis Monarch Beach resort in California, where they explained why their wedding hasn't happened yet.

"We're so bad at planning, both of us together," Kaitlyn laughed. "So, we're like, 'Yeah, we'll do it in the new year!' We're the kind of people, I think, that if people tell us to do something or if there's pressure, we're like, 'Well, now we're gonna wait! We don't have to do what you say to do, we're going to take our time!'"

"We talk about kids more than we probably talk about wedding," she added. "We're the most excited for kids."

In the meantime, the couple clearly appear to be enjoying their long engagement.

WATCH: 'Bachelorette' Star Shawn Booth Gets a Bird Tattoo Just Like Kaitlyn Bristowe

Watch our cute interview with Kaitlyn and Shawn below: