Sharna, however, laughed off Mirai's comment and reasoned, "I am the only single woman on the show, so naturally if there is anyone that people are going to think there is a showmance for, I am your girl, apparently."
"People are already shipping us," the professional dancer added. "What would our shipping name even be? '#TeamNoWeAreNotDating!'"
But Sharna and the NFL star -- who have actually named themselves #TeamBackThatPassUp -- are having a great time together rehearsing and performing for this mini edition of Dancing with the Stars.
"We have a really good, fun vibe. We're laughing a lot, but we're working really hard at the same time. So, it's amazing," Sharna noted.
As for whether the fiery redhead will have a special guy watching her in the audience this season, the pro dancer admitted, "Currently, no."
Josh, who has a "signature body roll," apparently took a ballet class to prepare for the dancing competition.
"I was in there trying to learn how to get my posture right... the little girls are just laughing at me the whole time!" Josh revealed to ET. "But I did it because I want to win this competition, as bad enough as it is."
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"I mean, I don't think it [changes the vibe], in all honesty. We're all good friends and not having them with us doesn't make it a loss necessarily," Sharna explained.
"We're very proud of what they're doing on the road. Their show is incredible. I can't wait to see it myself... Knowing that part of our fam is out there crushing it and doing something great I think is really special."