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.
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"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."
"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."