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OTRC: Kelly Osbourne engaged to Matthew Mosshart?

Kelly Osbourne is reportedly engaged to her boyfriend Matthew Mosshart, a report says.

Her spokesperson had no immediate comment. The 28-year-old co-host of the E! show "Fashion Police" and daughter of Ozzy and Sharon Osbourne, and Mosshart, a 29-year-old chef and the brother of Kills singer Allison Mosshart, got engaged several weeks before Christmas, Us Weekly reported on Wednesday, January 23.

A month earlier, on December 23, Kelly Tweeted: "My boyfriend is Taking me on secret Xmas holiday I have no idea where I'm going but I'm so excited I love surprises!"

She told Glamoholic magazine in July 2012 that she and Mosshart have been together for a year, adding: "I think that everyone is a different person when they are in love. Because when you are in love, you're blind to a lot of things and it makes you happy."

When asked if they are planning on taking their relationship to the next level, Kelly said: "No, we are happy just the way we are! I'm not one of those people who are desperate to get married. As long as I'm happy and I'm happy with whom I'm with then, at the end of the day, that's all I care about."

Osbourne has never been married before. She was previously engaged to Luke Worrall. They split in 2010 after more than two years together.

(Pictured above: Kelly Osbourne and Matthew Mosshart arrive for the Cosmopolitan Women Of The Year Awards at the Victoria and Albert Museum in central London on Oct. 30, 2012.)