Kelly Osbourne

Kelly Osbourne

Kelly Osbourne is working on a "secret project" with her mother Sharon Osbourne.

Kelly Osbourne who currently co-hosts The 'Fashion Police' is preparing to tie the knot with Matthew Mosshart, revealed the duo are preparing to unveil a mysterious new venture, which they have been working on for a decade.

Kelly Osbourne has revealed she is working on a "secret project" with mom Sharon

The star tweeted on Friday (04.10.13): "My mum & I have been working on a project together for over 10 years today is the day it is finally happening! Cant wait 4 you guys to see!! (sic)"

She later hinted that the project involves fashion as she tweeted the message: "I can't wait for you guys to see what all this primping #DivaStyle is for!!!! I'm in #DragQueenHeaven!" along with a picture of herself being groomed by her makeup and hair stylists.

Kelly later admitted she was exhausted after a long day of working alongside mom Sharon who is flying transatlantic several times a week as she balances this project with her 'X Factor' judges role in London and her chat show 'The Talk' in Los Angeles.

Kelly tweeted on Saturday morning (05.10.13): "My mum & I just worked a 24 hour day I'm so tired I feel like shit but it was so fun I feel like a d**k for complaining!"

The pair are also working together on arguably their biggest project that is to plan Kelly's upcoming wedding.

Sharon recently revealed that she is planning her daughter's nuptials, which will take place at their home in Buckinghamshire, England.

She said: "It's going to be very English and very Victorian. At our house in England."