Should Mahomies know something about Austin Mahone and Camila Cabello? After being on tour together in Brazil, Mahone posted a photo of the two of them online.

Austin Mahone Shares Inspiration To His Fans During Tour With Fifth Harmony

On Saturday, Mahone posted a pic of himself and the Fifth Harmony singer on Instagram and wrote "Write a caption..." to his fans.

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The two have denied any romance, but when asked on Twitter who the last person he texted was last week, Mahone revealed that it was in fact Fifth Harmony's Cabello.

Camila Cabello & Fifth Harmony Join 'Mmm Yeah' Singer In Brazil

According to J-14 in September, too, Mahone and Cabello were seen hanging out, hugging and kissing on the cheek after a tour stop in Ohio. After the photos were posted, Fifth Harmony member Dinah Jane reportedly spoke up on Instagram back then.

She wrote, "This is literally sooo funny to me... Y'all just can't respect people that have interest in each other." She later deleted the comment, however.

"It's pretty funny though," Mahone said about romance speculation with Cabello to Cambio.com. "I remember we were each other and we were like lets just post a picture and watch everyone freak out."

"It's pretty watching all the comments roll in," Mahone continued. "It's like a war between the Mahomies and the Harmonizers."

Austin Mahone is currently on his South American tour. He'll be in San Juan, Puerto Rico on Oct. 19 followed by Leon, Mexico on Oct. 29. He wraps up his tour on Nov. 11.