American Airlines threatened Olivia Culpo, the former Miss Universe and a Rhode Island native, to "cover up" before her journey to Cabo San Lucas on Thursday.

Aurora said, as she filmed her sister who was wearing a long black cardigan, sports bra, biker shorts and a face mask. “She looks cute.

"They contact her and tell her she needs to put on a blouse or she won't be able to board the airline," Aurora added.

What’s interesting — the Culpo sisters point out another passenger who was also wearing a crop top, yet that lady wasn’t told to cover up.

What's intriguing is that the Culpo sisters mention another passenger who was wearing a crop top but wasn't instructed to cover up.

Olivia's boyfriend Christian McCaffrey and the Culpo sisters were travelling to Cabo San Lucas, Mexico.

"My (breasts) are out," she said, noting that her cleavage was more exposed than Olivia's was. "That's weird."

The passenger couldn't help but agree that it seemed like a double standard.