Floyd Mayweather girlfriend, fiancee: Will Shantel Jackson be cheering him on against Canelo Alvarez tonight?

Floyd Mayweather Jr. will be fighting his biggest fight since 2007 tonight with Canelo Alvarez.

As millions from around the world tune in to watch the action of the two undefeated fighters, many will wonder whether Mayweather's fiancée Shantel Jackson will be in attendance.

Rumors have been swirling for months that the boxer broke up with his fiancee.

In July, Mayweather started sharing pictures on Instagram of women's shoes and handbags.

"Up late,Face Timing with my Mom telling her to come get these BIRKIN bags so I can have some room on my sofa #HERMES," he wrote in the caption of a photo showing multiple designer handbags lined up on a sofa. He then followed up the first photo by posting snapshots of over a dozen designer shoes and handbags. "This new venture is by both me and @MissJackson. Coming soon."

According to reports, the items were the expensive gifts given to Jackson by Mayweather. The boxer may have taken them back with the intention of selling them in the midst of their rumored breakup.

Media Takeout reported in June that the pair had split up and that Mayweather had taken back all of the expensive items he had given to Jackson. The publication also reported that the boxer was angry at his fiancee for throwing a birthday party and flirting with other men.

Shantel Jackson is a model and aspiring actress who is known by the name Miss Jackson. She studied acting and psychology at Miami Dade and the University of Miami and has a passion for fashion design. She is currently working on her unisex clothing line.

Jackson was always seen cheering on Mayweather from the ringside. If the breakup rumors are true, then who will be cheering Mayweather tonight when when he takes on Mexico's boxing champ?

Be sure to tune catch the action from Las Vegas at 12a.m. ET/ 9 p.m. PT tonight, which will be available to view on TV through Showtime's pay-per-view.