Logan Stevenson, 2, is dying of leukemia, but the boy will live to see his Pennsylvania parents get married after they moved up their wedding date so their son could be the best man at their nuptials.

"We want Logan in our family pictures, and we want him to see his mother and dad get married," Christine Swidorsky told the Pittsburgh Tribune-Review.

The Jeannette, Pa., couple initially planned to get married next year, but now they’ll tie the knot on Saturday before 120 guests.

“It'll be the hardest thing I'll ever do is bury my son,” Sean Stevenson said. “You know it's coming, and you can't do anything about it.” Stevenson said he'll carry his son down the aisle.

“It hurts so bad because Logan is such a loving child ... when I cry he wipes my tears away,” Swidorsky said. “Logan is a mama's boy.”

When he was 14-months old, Logan was diagnosed with a form of leukemia. Doctors said he has only two to three weeks to live, the Associated Press reports.

“His entire life has been nothing but hospital,” his aunt, Kellie Young, said.

Logan's parents said they're trying to make the most of their son’s last moments. They don’t want him to die in a hospital, so they’ve brought him home for his final days.

"I just am thankful that I am able to bring my son home and have time with him and hold him before he goes," Stevenson said. "So, in that sense, I feel lucky that I at least get to say goodbye to my son ... and tell him it's going to be OK."

Swidorsky told the AP that Logan’s disease has taught them valuable life lessons.

"He's made me a better person," she said. "He's just an angel from heaven, and I'm going to miss him."

His aunt added, “He's a very special child. Logan has fought a bigger fight than most adults do. The minute you see him, you will fall in love with him like everybody else. It's just been a roller coaster of every emotion possible.”

Logan’s story has captured the heart of the greater Pittsburgh community, and some people have offered to donate wedding-related gifts in honor of the boy's courage.

“Once everybody read [the story], it just completely took off today,” his aunt said. “I knew that there were nice people out there, but I never expected this response. ... For such a small person, he has touched thousands of people.”