Kelly Osbourne Pretty Engagement Ring

Osbourne, who is set to marry her boyfriend of two years, Matthew Mosshart, custom-designed her round diamond ring, telling Hello! magazine, “I designed it to look like an earring that my father wore. I used to hold my finger up to his ear when I was little and say, ‘I want a ring like that.’ Now I have one!

Kelly Osbourne gave us a glimpse of her gorgeous engagement ring this weekend after posting a photo of her funky new manicure on Instagram.

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The newly engaged star’s rock could be seen prominently sitting on her left ring finger as she flaunted her glittery nail polish.

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In the July 29 issue of Us Weekly, Kelly, 28, reveals Mosshart, 29, proposed on a balcony overlooking the ocean on Jan. 1 in Anguilla. They waited to tell the world about their engagement, she says, until her sparkler was ready.

Kelly Osbourne Tiffany Engagement Ring

Kelly says her parents were the first to know about her engagement. “She was just really happy,” she says of mom Sharon Osbourne, 60.

Kelly Osbourne Engagement Ring

“She kind of expected it. Put it this way: Matthew’s the only man I’ve brought home who my parents have liked more than me. Or who my dad hasn’t called an absolute f-cker behind their back. Or tried to plot some way of getting rid of them!”