The 42-year-old - who married the TV presenter in a ceremony in the Bahamas four years ago - took to Twitter to share about her incredible night, reported Us magazine.
"Tonight was an incredible night. I can't express how amazing it was to renew our vows in Paris at the top of the Eiffel tower. Thank you so much to all the fans who came out as always and showed their love and support. I love you!(sic)" she posted on her Twitter page.
Cannon, who has recently battled ill health, recently said that he continued to be amazed by his marriage to Carey, with who he has one-year-old twins Moroccan and Monroe.