Source: Bang Showbiz NewsKelly Osbourne's family love her boyfriend Matthew Mosshart because he is such a "nice" guy.The 'Fashion Police' star has been dating the 29-year-old vegan chef for over a year and her parents Sharon and Ozzy are huge fans.A source said: "Kelly's family love her boyfriend."They think he's the nicest guy she's ever dated. He is very patient and down to earth."Friends also believe laid back Matthew is perfect for 28-year-old Kelly because he keeps her grounded.The insider added to Us Weekly magazine: "She tends to be kind of a diva, so his sweet nature is good for her."Kelly is the happiest she's ever been. Her career is going well and she's in a healthy relationship with a wonderful guy."Kelly recently proclaimed Matthew to be the "love of her life".She wrote on twitter: "Just had the best #MosshartFamily dinner! having a chef that is not only your boyfriend but the love of my life is next level! (sic)"Kelly - who previously dated model Luke Worrall before he cheated on her with a transsexual - often enjoys foodie days with her boyfriend, and is especially impressed with his breakfast skills. Earlier this year she wrote on twitter: "Just got back from the most amazing/romantic anniversary weekend getaway with my honey!"We ate fresh made crepes with Nutella every morning in bed it was #heaven! (sic)"