The couple, who have been together for six years, requested for privacy following the cancelation of their wedding, reported People magazine.
"While this decision was a difficult one, we continue to have a great deal of love and respect for one another," Bella tweeted.
"We ask that you respect our privacy during this time in our lives."
Cena and Bella, both professiona wrestlers, got engaged in April last year and their wedding was scheduled for May 5.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)