Dustin Poirier is aiming to beat Conor McGregor for the second time in six months this weekend when the pair clash in Las Vegas.
The Diamond stunned McGregor with a second round knockout in Abu Dhabi in January and faces him for a third time at the T Mobile Arena in the early hours of Sunday morning.
Poirier's wife was cageside to cheer him to victory in the Middle East and she has been in the news in recent days after McGregor claimed he received a message request from her on Instagram.
Here's everything you need to know about Jolie Poirier:
Who is Dustin Poirier's wife?
She was born on March 4, 1989, boasts almost 70,000 Instagram followers and is a vocal supporter of her husband.
The Good Fight Foundation - a charity started by the couple - has raised money for schools and playgrounds for disabled children and Jolie is a director.
What did McGregor say about her?
Asked about the message, McGregor told news.com : "You'd have to ask her, I haven't a clue. You'd have to ask her, I don't play that game... another man's wife."
And asked about Poirier's claim that his social media activity is the sign of an insecure man, McGregor added: "I don't give a f*** what he says, I pity that man and I will pity him more after Saturday night."
What did she say to McGregor after her husband's win in January?
How many kids do they have?
The pair have a four-year-old daughter Parker Noelle, who was born on August 20, 2016.
Poirier found out that his wife was pregnant a week before his win over Irish fighter Joe Duffy at UFC 195 in 2016.
