EXCLUSIVE: Jillian Michaels Says She Was 'Homophobic' Before Madonna's 'Justify My Love' Video

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Jillian Michaels dished to ET about her home life and how a pop icon helped her come to terms with her sexuality.

The hard-nosed drillmaster is open about her long-term relationship with partner Heidi Rhoades today, but there was a time when she was conflicted about her sexuality.

WATCH: Jillian Michaels Shops for Engagement Rings for Her Girlfriend in 'Just Jillian'

"I was homophobic, because I obviously didn't know that I was gay," Michaels said. It wasn't until Madonna's "Justify My Love" video, which contains imagery of bisexuality and girls kissing, that she started to be more accepting of homosexuality.

"When she did that, it was like, 'OK, that's not gross or disgusting,'" Michaels said. "It kind of allowed me to figure out who I was."

Fans got a better look at who Michaels is when her reality show, Just Jillian, premiered Tuesday on E!.

MORE: 9 of the Most Motivational Moments From Jillian Michaels

The show goes inside Michaels' home life with Rhoades, their adopted daughter, Lukensia, and their son, Phoenix. While each kid took different routes to become a part of the family, they both came home within days of each other in 2012.

"I'd been trying to adopt for, like, two years," Michaels said. "We got matched with a child and the next day Heidi came downstairs and said, 'I'm pregnant.' We ended up getting matched with Lu, and my son [Phoenix] was born. Lu got her visa and they both came home the same week for Mother's Day."

Despite the couple's strong bond and their lovely children, they aren't jumping at the chance to walk down the aisle just yet.

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"We, right now, are having an ongoing dialogue. That's what I'll say," Michaels said. "We come from very different backgrounds and to a certain extent that's what makes it work."

Just Jillian airs Tuesdays at 10 p.m. ET/PT on E!.