McDonald's is really doing the most to celebrate its three different Big Mac sizes: Grand Big Mac, Big Mac and Mac Jr.

No, this isn't one of those typical social media campaigns where you merely tweet something witty at the brand in hopes of getting mad retweets and, *fingers crossed*, mentioned in a Twitter moment. The big payout? You could win a ring that looks like a burger — worth $12,500.

Image: McDonald's/YouTube

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The ring is "designed to show just how big your Big Mac love is," the narrator states in the promo video.

Clearly they had a budget because they were also able to get HIMYM's Robin Sparkles to leave breathy comments throughout.

Image: CBS

(Not really, but it sure sounds like her, right?)

The 18-carat-gold ring is comprised of "seven tiers of bling" and designed to look like a Big Mac with layers upon layers of diamonds and sapphires.

The ring has the perfect jewelry designer behind it too: Nadine Ghosn. Just read this part of her bio: "I never really fit into one given mold, and still don't. By always being an odd ball out, I was able to internalize a mindset that is core to [Nadine Ghosn Fine Jewelry]: don't think outside the box. Think like there is no box."

Unless that box is a Big Mac box, of course.

She even has a hamburger ring advertised on her website valued at $8,800. It's an 18-karat rose gold, white gold and yellow gold ring with ruby, tsavorite, sapphire and champagne diamond details. Ghosn knows a thing or two about variety too because you can even get a veggie burger ring from her site.

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To enter, McDonald's wants you to write your best "vows of love" to your favorite Big Macs on Twitter. Tweet them at @McDonald's with #BlingMacContest through Feb. 14. If you're the most creative and you make them laugh the hardest, you'll take the blingy ring home.