Chaz Bono and Jennifer Elia

Chaz Bono may have proposed on TV, but it doesn't look like he'll be walking down the aisle anytime soon.

The reality TV star and his fiancee, Jennifer Elia, have broken off their engagement and are no longer dating, TMZ reports. No reason was given for the split.

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Bono's rep tells the gossip site, "They leave this relationship with great love, respect and affection toward one another. No further amplification will be forthcoming and they ask that you respect their privacy at this time."

Bono, 42, and Elia have been dating since 2005. On the show Becoming Chaz, which traced the physical and emotional journey of Bono's transgender process, he proposed to Elia atop the Seattle Space Needle.