Singer and girlfriend Nazanin Mandi are engaged after a 12-year dating period

Miguel Pimentel and Nazanin Mandi are finally engaged.

The popular singer and his girlfriend of 12 years decided to make things official by tying the knot, E! News confirms.

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"Nazanin and Miguel are really excited to get married! They've been together for some time and knew that they were going to spend their lives together," a source told the entertainment network.

"All of their friends and family think they are the best couple and really complement each other," the source continued.

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The 30-yr-old singer's proposal to his 29-yr-old girlfriend was "very heartfelt and real" and "done perfectly", "Miguel will definitely be singing his soon-to-be wife a tune when their wedding takes place,"  the source added.

Nazanin further sparked engagement rumours as she shared a selfie on Instagram where the huge diamond on her ring finger was very noticeable.

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"When you get all dolled up but decide to stay in .... Eat .... And watch A Haunting  Thank you for the Trim @1littlemonster @carltonhairmdr", she captioned the photo.

Congratulations to them.