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OTRC: Chaz Bono proposes to Jennifer Elia on 'Being Chaz'

Chaz Bono and Jennifer Elia appear in a still from the OWN documentary, 'Being Chaz.' (OWN)

Chaz Bono didn't take home the "Dancing With The Stars" mirror ball trophy, but he got the next best thing -- another OWN documentary special.

And when the documentary airs on Sunday, November 27, fans will see the LGBT activist propose to his longtime girlfriend Jennifer Elia.

During the proposal, Bono told Elia that he wanted to give her something special for her birthday, before presenting her with a giant diamond.

"It's gorgeous," Elia said, in clips obtained by People magazine. "Thank you so much. It's stunning. It's huge."

Bono announced on a May 12 episode of "Piers Morgan Tonight" that he had proposed to Elia. Bono told Piers Morgan that the couple planned to wed within the year and had actually been engaged for two years but had to "put things on hold" when he underwent his gender transition.

It was announced in October that Bono would star in the follow-up to his Emmy-nominated OWN documentary special "Becoming Chaz," which aired in May. The new documentary special, "Being Chaz," chronicles Bono's relationship with his girlfriend after transitioning from his female-to-male sex change.

The documentary also features Bono's casting on "Dancing With The Stars" and the controversy which occurred after he was announced as a contestant.

In another clip from "Being Chaz," Elia got emotional when she talked about the backlash Bono received upon joining the reality dancing competition

"People feel so angry that Chaz is entering their television. People who make change get shot, and I don't think that's worth it" Elia said tearfully. "This is insane. It's not worth doing a show if you're going to get shot. I don't want him to die for a cause."

Bono, who was born Chastity Bono, is the daughter of Cher and Sonny Bono. The 42-year-old previously opened up about his struggles in his book, "Transition: The Story of How I Became a Man."

In March 2009, he began the process of becoming a man. Chaz Bono took testosterone and underwent procedures such as having his breasts removed, which he told TIME magazine marked "the greatest day, probably of my life."

"I've hated my body since puberty," he said in "Becoming Chaz." "In high school, often at night, I would go to bed, praying that I'd wake up the next day as a boy. A sex change never occurred to me at that point. As a man trapped inside a female shell, I was very cut off from the whole world and now, for the first time, I'm living in my body and it looks like the way I want it to. It's making me feel more confident."

Chaz Bono and Elia appeared on "The Oprah Winfrey Show" in May and she told the talk show host that "it was really hard" when her partner transitioned from female to male, Us Weekly magazine reported.

On October 25, Bono and his partner Lacey Schwimmer were voted off "Dancing With The Stars" after receiving low scores for their Tango.

After "Being Chaz" airs, "I Am Jazz: A Family in Transition" which follows the life of a family and their transgendered daughter, is set to premiere on the Oprah Winfrey Network.

"Being Chaz premieres Sunday, November 27 at 8 p.m. ET/PT on OWN. Watch a promo for "Being Chaz" and "I Am Jazz" below.

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