The plural of ex is exes, and the possessive is ex's — but be aware that many readers will find these forms odd-looking. Wiktionary also says it's exes: exes (n.) (plural of ex English) vb. (en-third-person singular of: ex) And so does WordHippo (a site I had never run across until researching this question): What's the plural form of ex?
People: 9 Celebrity Exes Who Stayed Friends Despite Their Very Public Breakups
MSN: Bride stunned when her exes send her video message during her bachelorette party (exclusive)
Bride stunned when her exes send her video message during her bachelorette party (exclusive)
Yahoo: Dove Cameron Recalls ‘Trauma Bonds’ With Exes and Celibacy Era: Her Biggest Revelations From ‘Call Her Daddy’
Dove Cameron Recalls ‘Trauma Bonds’ With Exes and Celibacy Era: Her Biggest Revelations From ‘Call Her Daddy’
E!: Why Exes Kendall Jenner and Devin Booker's Flirty Exchange Is Raising Eyebrows
Why Exes Kendall Jenner and Devin Booker's Flirty Exchange Is Raising Eyebrows
A “Talk With Flee” clash exposes the exes’ long-simmering tension over expectations, finances, and accountability. The internet locked onto Cam’ron and Cali O’Dae instantly when a segment from the ...
AOL: 42 Times People Decided To Get Back At Their Exes And Nobody Could Stop Them
42 Times People Decided To Get Back At Their Exes And Nobody Could Stop Them
Page Six: Aaron Rodgers shades ‘crazy’ celeb exes who ‘called paparazzi’ and ‘coerced’ Instagram posts
Aaron Rodgers appeared to take a subtle jab at exes Danica Patrick and Shailene Woodley while revealing more details about his mysterious wife, Brittani. “I got myself into, you know, crazy town,” he ...