"You have to find someone that you love and that loves you just as much.
We can spend 24/7 with one another," she told Yahoo.
They looked blissfully happy to be enjoying a dinner out during what has been a difficult summer for Aaron.
Earlier this month, we revealed the I Want Candy singer had come out as bisexual in an emotional social media post.
The model and singer, 31, added a pop of colour in the form of bright red lipstick but otherwise went for a dark and mysterious look.
She kept close behind the former popstar, 29, who seemed eager to insist they were simply very close pals.
The fitness pro, whom Carter married in April 2014, is about four months pregnant.
PHOTOS: Cutest celeb baby announcements "They are so happy and overjoyed," the insider tells Us of the parents-to-be, who documented their romance on the VH1 reality show .
PHOTOS: '90s nostalgia An eyewitness told Us at the time, "They shared the longest wedding kiss I've ever seen. They seem crazy in love and thrilled to be married.
You could feel the love bursting out of them." Indeed, Carter told Yahoo in September 2014 that he sensed Kitt was The One from the first minute they met. "It's like I just wanted to be around her." PHOTOS: The biggest boy bands of all time That's the key, his wife added.
Aaron, who dated brunette Madison Parker last month, took to Twitter to write: "Headed to @Nobu Worldwide with one of my closest friends we've known each other 17 years 🤷🏼♂️ @Porcelain Black." After emerging from the restaurant, the pair seemed more than happy to pose for pictures outside.