McDonald's Giving Away $12,500 'Bling Mac' Ring

The fast food chain McDonald's unveiled a contest to win an 18-karat gold burger-shaped ring, valued at $12,500.

Fubbed the "Bling Mac," the ring is a celebration of the launch of three new sizes of the chain's signature 'Big Mac' burger.

Fans can win the ring by posting a creative proposal of love to the Big Mac on twitter.

Entries must tag McDonalds and use the hashtag "Bling Mac Contest" 
(#bligmaccontest) by Valentine's Day on February 14th.