Amy took to Instagram to post the promotional photo with her ABC colleague as they prepared to host the season 45 premiere of 2020.
In the snapshot, David looked as dashing as ever in a grey, fitted suit and crisp, white shirt, with his top two buttons undone.
WATCH: Amy Robach receives surprise from David Muir
Amy wowed in a figure-flattering, leather mini-dress and heels as they stood back to back in front of a New York City backdrop.
"Don't miss our season 45 premiere for @abc2020 tonight," she captioned the social media post and her fans couldn't wait to comment.
"Wow! You are looking fantastic in that dress," wrote one, while another added: "You two are my favorite. Beautiful," and a third commented: "Are you kidding me! You and David and 20/20 are a must see. Love the picture."
David and Amy both looked amazing in the promo for 20/20
David added a heart emoji himself which sparked a further reaction from fans who love seeing them together.
David has hosted the TV news magazine with the Good Morning America star since 2018 and before that, they teamed up on GMA.
The duo's bond reaches further than onscreen though, as they're also good friends away from work and support each other on their ventures in their personal lives.
Amy and David's fans love their partnership
When Amy completed the Berlin marathon alongside her husband, Andrew Shue, and friends, David was one of the first to comment on her Instagram post.
Showing his love and admiration for Amy and her impressive accomplishment, David commented with three red hearts and three clapping hands emojis.
Amy is often one of the first to comment or like David's posts too and it's clear they have a lot of and respect for one another.
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