Kelly Osbourne secretly engaged Thu-24-Jan-13 08:12 Share this KELLY OSBOURNE has been hiding a secret from fans - she quietly became engaged a few weeks before Christmas (25Dec12), according to a new report.Ozzy Osbourne's daughter is said to be "really excited" about heading down the aisle with vegan chef Matthew Mosshart, the brother of The Kills rocker Alison Mosshart.A source tells Us Weekly magazine, "Kelly is the happiest she's ever been. Her career is going well, and she's in a healthy relationship with a wonderful guy."The couple first met at Kate Moss' wedding in July 2011 and has been dating for more than a year. Osbourne was previously set to wed model Luke Worrall, but she broke off their engagement and dumped him in 2010 amid allegations of his infidelity.WENN You May Also Like Jason Derulo proposes to GF Jordin Sparks in 'Marry Me' video! Zayn Malik from One Direction is reportedly engaged to Perrie Edwards Niall Horan & Katy Perry engaged?! Become a fan of The Edge on Facebook and on Twitter .