A representative has confirmed their amicable split, adding that the exes will 'continue to be united by friendship and their shared experiences', reported Ace Showbiz.
"Ricky and Carlos have mutually agreed to end their relationship but continue to be united by friendship and their shared experiences," a representative issues a statement.
"Changes oh changes," the 42-year-old Grammy winner cryptically tweeted just before the New Year.
Distance may have been a factor in their split.
"They have spent very little time together and have grown apart. They've been on the outs for a while now," a source said.
Martin and Abella began dating in early 2008. The singer publicly came out as gay in a 2010 blog post and went public with his romance with Abella by thanking his partner when receiving an award from GLAAD more than two years ago.
The 'Livin' la Vida Loca' hitmaker is a father of 5-year-old twin boys, Matteo and Valentino, who were delivered via a surrogate mother.