Bachelorette Desiree Hartsock Is Engaged!

Someone put a ring on it!

But who?!

We found out today The Bachelorette’s Desiree Hartsock is finally getting her fairy-tale princess ending!

The mystery man who won Des over proposed with a 3.5-carat Neil Lane diamond and platinum engagement ring worth $75,000!

A source revealed the reality TV star is super happy:

“She’s over the moon! Desiree believes she made the right choice.”

The picturesque proposal was filmed atop Dow’s Hill at the Verandah Resort & Spa on the island of Antigua for the final episode that airs on August 5!

The engagement is mega hush-hush, but the couple is allegedly meeting in private locations because they’re so in love!!!

An insider explained:

“They get to see each other once a week. Right now, Des is absolutely beside herself with happiness. She seems to have a constant smile on her face.”

Preshyyy!

After Des got her heart broken by Bachelor Sean Lowe, we’re glad to see her totes happy!

Congrats to the (mystery) couple!

[Image via RHS/WENN.]