While there may understandably be nerves for the couple, in her first in-depth television interview, Christine tells UTV's Ruth Gorman that watching her husband-to-be fight is worse.
"Watching Carl fight is the most nerve-wracking thing I've ever done," she says.
But she actually feels sorry for his opponents.
"Feeling sorry for the guy that's trying to knock me out?" Carl shakes his head. "That baffles me."
The pair, who come from different backgrounds, met at Kelly's in Portrush - but they've got different versions of how that first encounter went.
"I was kinda bustin' a move on the dance floor and Christine fancied a bit of it ...." Carl claims, making his fiancée laugh.
"No, you came to me!" she corrects him.
But the rest is history and Sunday will see them get married in front of family and friends, including their two-year-old daughter Carla.
Both Carl and Christine say it can only be a positive thing if other young people look at them and see that different sides of the community can come together in friendships or relationships.
And speaking of friendships, Carl's best boxer buddy Paddy Barnes is set to be his best man and apparently the speech could be one to remember.
"He's a liability, Paddy," Carl says.
"The only good thing is that he talks that fast, people might not know what he's saying ..."
Friday's show also featured Natasha Devon, one of Cosmopolitan magazine's Ultimate Women of the Year, talking about the impact on young girls of celebrities like Miley Cyrus, Rihanna and Britney Spears trying to out-do each other with sleazy videos.
Former Page 3 girl Linda Lusardi talked about how the glamour industry has changed over the years and what she's up to now.
And, ahead of his big gig at Belfast's Odyssey Arena, comedian Jimeoin told Sarah Travers all about his rise to fame and what it's like to have the best-known eyebrows on the comedy circuit!