Holly’s sisters, Tilly and Megan, served as bridesmaids alongside Peaty’s sister, Bethany.
The bride’s mother, Tana Ramsay, was also seen arriving at the church ahead of the ceremony.
Earlier in the day, Gordon Ramsay shared his pride on Instagram, writing that he “couldn’t be a prouder dad”.
“I’m truly so lucky being able to walk this beautiful bride down the aisle and gaining an incredible son-in-law,” he wrote.
“I love you so much and couldn’t be a prouder dad.”
The BBC reported that the couple met through Holly’s sister, Tilly Ramsay, while both were contestants on Strictly Come Dancing in 2021.
Holly Ramsay is an influencer and mental health advocate.
In 2021, she launched her podcast 21 & Over, which focuses on issues including anxiety, self-doubt, mental health and identity in modern life.
She is the second eldest of Gordon and Tana Ramsay’s six children.
Peaty, who is from Staffordshire, has won six Olympic medals during his swimming career.
He also has a five-year-old son from a previous relationship with artist Eirianedd Munro.