The couple first met three years ago working with Joe Biden on a trip to India.
There was a tender moment of joy amid convention chaos in Philadelphia Sunday, as a staffer decided to pop the big question on the floor of the DNC.
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Andrew Binns got down on one knee and proposed inside the Wells Fargo Center after a slideshow of his relationship with Liz Hart played.
It was a welcomed distraction to a Democratic Party in turmoil following the resignation of DNC chair Debbie Wasserman Schultz and rumors that Russia may have been involved in leaking privileged Democratic Party emails.
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The astonished Hart said yes and shared a kiss with Binns after the ring was placed on her finger.
"I did not know it was coming. I was completely caught in surprise," she told Inside Edition.
He explained how the proposal came about without her knowing.
"I convinced her we were going up [to the stage] for a photo at the podium. We took the photo, then played the slideshow," he said.
She added: "When the music and lighting changed, I knew something was going on. Then, I saw all of our friends and family around. It was the best moment of my life."
The couple first met three years ago working with Vice President Joe Biden on a trip to India. Their first date was inside the Taj Mahal.
Both of the couple's families and friends were in attendance to witness the proposal.
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