Dad photobombs engagement shoot with hilarious sign

A US dad is being hailed a hero online after his daughter shared a picture of him photobombing her engagement with a giant sign reading “SAY NO”.

RELATED: Body positive engagement photoshoot goes viral

Levi Bliss proposed to girlfriend Allison Barron after two years together, according to Buzzfeed.

But the romantic moment was somewhat spoiled by Barron’s dad, who stood in the background of the picture holding up his sign.

Barron burst into tears during the proposal, but admitted that it quickly turned to laughter when she looked up and saw her father.

RELATED: These frozen waterfall engagement photos are truly magical

"We both know my dad so well, we got the joke right away and found it funny," she told BuzzFeed.

The bride-to-be shared the moment on Twitter, and has received hundreds of replies. Some people even turned the images into memes.

Barron hasn’t revealed any information about the upcoming wedding yet, but we’re sure her dad will be a big part. She might want to keep him quiet during the speeches, though...