In February 2006, Osbourne was a guest judge for the Season One Episode Four of Project Catwalk on Sky1.She went on to host Seasons Two and Three of Project Catwalk in 20 respectively.In September 2006, at the Electric Picnic festival in Ireland, Osbourne and her boyfriend, Matty Derham of the band Fields, held a wedding ceremony.Her representative denied that the ceremony was legally binding, because it did not meet Irish legal requirements, as in Ireland, at the time, a couple couldn't get married in an outdoor venue.Aled has now been confirmed as a full-time presenter.
During an interview in late 2005, Osbourne denied reports she was ending her music career, saying: "I don't know where the quit rumours came from – I've just recorded a version of 'Girls Just Want to Have Fun' with Cyndi Lauper." In spring 2006, Osbourne modelled for Heatherette in a catwalk show.
In 2008 she featured in the short musical film The Town that Boars Me by photographer Ben Charles Edwards.
The film also features Sadie Frost, Jodie Harsh, Sophie Ellis-Bextor and Zandra Rhodes amongst others.
In July 2007, Osbourne portrayed the role of prison matron Mama Morton in the musical drama Chicago Osbourne co-hosted the 2006 edition of I'm a Celebrity... Her one-off gigs include the 2002 MTV Film Awards, Top of the Pops Saturday, MTV's Isle of MTV, MTV UK and Ireland's red carpet coverage of the 2003 MTV Europe Music Awards, Popworld, The Sunday Night Project, the 2005 MTV Australia Video Music Awards and Zane Lowe's BBC Radio 1 show.
In spring 2006, Osbourne was one of the judges on Making Your Mind Up.