WEDDINGS
01/23/2013 08:34 pm ET

Secret Celebrity Engagements: Kelly Osbourne And 9 Other Stars Who Kept Mum (PHOTOS)

While celebrities often announce their engagements within hours of deciding to tie the knot, some choose to keep their marriage plans a little quieter.

"Fashion Police" star Kelly Osbourne has been secretly engaged to boyfriend Matthew Mosshart for more than a month, Us Weekly reported Wednesday. Osbourne joins other low-key celebrities who chose to keep their engagements a secret, preferring to confirm the news long after deciding to get hitched.

Check out the slideshow below to learn which celebrity couples kept us clueless about their engagements.

PHOTO GALLERIES
Secret Celebrity Engagements

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