Ben Higgins and Lauren Bushnell Celebrate Their Bachelor and Bachelorette Parties in Las Vegas - See the Pics!

The 'Bachelor' couple had a lot of fun celebrating, drinking, singing and awkward-dancing in Sin City on Thursday.

Former Bachelor star Ben Higgins and fiancée Lauren Bushnell haven't set a wedding date just yet, but that isn't stopping them from celebrating their bachelor and bachelorette parties in Las Vegas!

Bushnell and Higgins hit the strip with some of their close friends on Thursday, and the groups made sure to share lots of pics and videos from their wild Sin City outing.

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Bushnell and her gal pals snapped pics in a limo and partied at the MGM Grand…

...while Higgins and his buddies rode in a party bus, toasted "Higgy" on his special night and group-hugged, poolside, like you do.

Oh, and they had way more fun singing party bus karaoke than most people will ever have doing anything.

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Bushnell also showed off some of her sweet dance moves, including "whipping and nae naeing":

And whatever you call this dance-like routine she did in the limo:

Traditionally, couples celebrate bachelor parties shortly before they tie the knot, but when ET sat down with the cute couple last month, they admitted they weren't planning on getting married any time soon.

WATCH: Ben Higgins and Lauren Bushnell Admit They Were 'Worried' Their New Reality Show Would Ruin Their Relationship!

"We haven't set a date. We are really trying to figure out what's best for us because our lives have been really going 100 miles per hour," Bushnell explained. "Hopefully next year."

While they might not know when, they do know the ceremony will likely be televised. "We've invited everybody into our life up to this point, why not let them continue?" Higgins explained. Check out the video below to hear more.