Rumors the pair might be dating sparked when Corey, who finished in fourth place on Big Brother's eighteenth season two years ago, posted a photo of himself on Instagram on August 29.
Tia commented, "Oh hi,"on the photo," to which Corey replied, "hi bb," Us Weekly reported.
Fast forward to September 9, and the 27-year-old baseball coach shared a shirtless picture of him on a beach in Punta Cana.
"All-inclusive resorts are cool but all-inclusive boyfriends are better," Corey captioned the image.
Fans then noticed Tia, a 27-year-old physical therapist from Arkansas, reportedly wrote, "Do all-inclusive boyfriends text back within an appropriate amount of time? #30secondsorless."
Corey responded, "I can do a lot in less than 30 seconds," according to the magazine.
While it may appear Tia was making all of the moves, Corey initiated a flirty exchange when Tia had posted a photo of herself in a purple two-piece dress at Bachelor in Paradise's fifth-season reunion show on Tuesday.
Colton unexpectedly dumped Tia in Mexico shortly after agreeing they'd be boyfriend and girlfriend, and then he was named The Bachelor's upcoming Season 23 star for 2019.
As for Corey, he is best remembered for his showmance with Nicole Franzel on Season 18 of Big Brother, but they broke up in the real world. Nicole just got engaged to another houseguest from their season, Victor Arroyo.