Kelly Osbourne has found a keeper in boyfriend of more than a year Matthew Mosshart -- and her famously close-knit clan agrees.
"Kelly's family loves her boyfriend," a source tells Us Weekly. "They think he's the nicest guy she's ever dated. He is very patient and down-to-earth."
Indeed, the vegan chef, 29, who moved cross-country from NYC to be with Osbourne in L.A., is helping the outspoken E! host, 28, learn to relax.
"She tends to be kind of a diva," explains a pal. "So his sweet nature is good for her."
And it shows.
The pal adds, "Kelly is the happiest she's ever been. Her career is going well, and she's in a healthy relationship with a wonderful guy."
This article originally appeared on Usmagazine.com: Kelly Osbourne's Family "Loves" Her Boyfriend Matthew Mosshart