The color of the Vampire Diaries star's eyes. "He thinks his eyes are ocean blue and I think they're aqua," Nikki told reporters at the 3rd annual Noble Awards Friday in Beverly Hills, Calif., according to People. When asked what they fight about other than that, they both said in unison, "I don't think anything."
Nikki was honored for her work with animals at the event, with Ian presenting his fiancé with the award. The actress said their mutual desire to make the world a better place is one of the things that bonds them, and they even start their days talking about it.
"Most of our conversations revolve around [what we can do better], because whether or not we have similar passions, I think it all stems around the idea that everything is connected," Nikki continued, according to Us Weekly. "What's nurtured this long friendship that we've had is that we are passionate about similar things, whether it's animals or the environment or education or climate change. So we do wake up in the morning and talk about those things."
In addition to talking about their passions, Nikki also flashed her diamond, floral-inspired engagement ring, telling reporters "I love it more than anything in the world!" We can't blame her.
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Gallery | These Celeb Couples Say the Sweetest Things