Planning a wedding proposal is a pretty nerve-wracking task.

So often, people will enlist the help of friends or family to record the special moment so they can look back on it forever.

However, one woman unwittingly managed to capture the moment first hand - and her reaction is incredible.

Mikayla Atkinson uploaded the video on TikTok, where she's known as @mikaylamarieeeeee - and it's since racked up more than 8.6 million views.

Her partner, who is sitting next to her, is celebrating his 33rd birthday surrounded by their nearest and dearest - but that's not the only occasion they're celebrating, unbeknownst to Mikayla.

It was her partner's birthday

With a cake sitting on the table in front of him, the group starts to sing him a Happy Birthday - including Mikayla who bursts into song.

After blowing out the candles, a few people asked him what he wished for.

But Mikayla had no idea what he was about to say would change her life forever.

TikTok proposal
He popped the question

He got up from his chair, turned to her and told her he wishes to have a 2021 wedding.

He then gets down on one knee and presents her with a ring.

Stunned by the unexpected gesture, she can be heard saying: "Are you f***ing kidding me right now?!"

One said: "Not just the fact that you recorded it yourself, but that everyone around you was recording your beautiful birthday singing too bahahah. So great."

Another wrote: "His mind was RACING while [you] filmed him."

While a third commented: "UR SINGING IS KILLING ME."

"SHE WENT FROM WOOO TO ARE YOU KIDDING ME RN," said another.

And others praised the family's "excellent acting" for asking what he wished for.

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