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Lauren Bushnell, Ben Higgins, Party

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Everything is coming up roses for this Bachelor success story.

As the countdown continues for Ben Higgins and Lauren Bushnell's wedding, the famous couple headed to Las Vegas with a few familiar faces for a joint bachelor-bachelorette party.

In several social media posts with the appropriate hashtag #byebyebushnell, fans of the duo were able to witness some of the fun they experienced in and around the MGM Grand Resort and Casino.

For starters, Lauren helped celebrate her upcoming nuptials with Bachelor Nation members Ashley Iaconetti, Amanda Stanton, Haley Ferguson and Emily Ferguson. As for Ben, he invited Tanner Tolbert, Jared Haibon and JJ Lane along for the trip.

Whether relaxing at Skyfall Lounge or TopGolf, soaking up the sun at Wet Republic Ultra Pool or dancing the night away at Jewel Nightclub, the bride, groom and lucky guests appeared to have a blast. And while some of these reality stars have had a history—we're looking at you Ashley and Jared—appeared to get along great in Sin City.

Lauren Bushnell, Ben Higgins, Party

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Lauren Bushnell, Ben Higgins, Party

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Lauren Bushnell, Ben Higgins, Party

Instagram

"I fell in love on #thebachelorette - with these guys... Reunited for Bens Bachelor Party in #vegas," Tanner wrote on Instagram. Jared added, "Great times with great friends #vegas."

Just two weeks ago, Ben and Lauren were in Las Vegas for the iHeartRadio Music Festival. In between dancing to Sam Hunt, Drake and more artists, the pair was able to celebrate their one-year anniversary.

"One year ago today my life completely changed. So incredibly blessed to have met this amazing human," Lauren gushed on Instagram. Ben added, "Happy one year from meeting you babe! No better way to celebrate than #iheartfestival."

While plans remain up in the air about a future wedding on TV, both parties are confident their love can go the distance even if it was developed in an unconventional way.

"Regardless of what we do, whether it's a TV show or it comes to our jobs, our relationship has to come first," Lauren previously shared with E! News. "We've both agreed upon that since the beginning and with this it's no different. Nothing is going to get in the way, and it if does, we're going to have to reevaluate at that time."

Ben and Lauren: Happily Ever After? premieres Oct. 11 at 8 p.m. on Freeform.