EXCLUSIVE: 'DWTS' Pros Sasha Farber and Emma Slater Dish on Epic Live Proposal: 'I Didn't Know What to Expect!

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Tuesday's Dancing With the Stars results show was especially magical for pro dancers Sasha Farber and Emma Slater, who got engaged after Farber popped the question in front of the audience on live TV.

While the moment couldn't have gone any smoother, that didn't mean Farber wasn't nervous about the public proposal.

"I was dying, I'm not gonna lie," the 33-year-old Australian dancer told ET's Angelique Jackson backstage after the show. "Usually I'm like, running around and having fun backstage but I was just in the corner [before proposing]."

“I touched my hands and they were sweating, and I was like, 'Oh my god, I've still got to do this dance. And then I've got this in my pocket, what if it falls out?'" he added. "I didn't know what to expect."

WATCH: 'DWTS' Pros Sasha Farber and Emma Slater Get Engaged in Surprise Proposal on Live TV!

The sweet moment came just after Farber and Slater, who have been dating for over five years, finished a passionate contemporary dance routine as the show came back from a commercial break. However, Slater said she had a feeling something was about to happen before Farber even opened his mouth.

"As soon as [our dance] was over, I felt his energy get even worse, like even more nervous than when we danced, and I thought that was really strange." Slater, 27, explained to ET. "I turned to Sasha and he turned to me, and I was like, 'Ahh!' He didn't even say one word and I think I started to hyperventilate and do all that really like, ugly crying stuff, which I'm sure I'm going to regret, but it was the best day of my life!"

Farber, who said he's "been planning this for a while," also revealed that he went about it the old-fashioned way, and actually called up Slater's dad to ask for his blessing.

"He actually said he was really overwhelmed that Sasha did that," Slater shared of her father’s response. "He really respected that. My whole family loves Sash."

WATCH: 'Dancing With the Stars' Pro Couple Emma Slater and Sasha Farber Tour Fairytale-Style Home

The newly-engaged pro also showed off her fancy new sparkler, which she said was everything she could have wanted -- because she was the one to pick it out!

"I really, really like colored stones and I saw this and it was kind of like a vintage, dusky kind of color and I love that," Slater shared. "It was the same color that my mom had for her wedding ring and I love it. It's everything."

Minutes after their joyful engagement, Slater flashed her gorgeous engagement ring in a pic on the DWTS Instagram, gleefully displaying the dazzling jewelry in all its glory.

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As for wedding plans, the cute couple already have a few ideas on how they should celebrate their big day.

"'80s themed wedding! We gotta get Vanilla Ice to perform, Babyface, we're gonna have em all!" Farber said.

"Now that we got engaged here, we should just have a wedding here in the ballroom. Invite all our guests, get Tom to marry us!" Slater added. "Tom would do a great job!"

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All joking aside, Slater said that they really are interesting in having a "more chill" wedding.

"I feel like that reflects us as people," she explained. "We don't even know where we'd have it yet, but definitely more just like a party for everybody, a celebration, that's what we think it should be."

For more on their cute couple's epic engagement, check out the video below.

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