Kelly Osbourne is in mourning after a pet dog featured in the famous family's hit reality TV show The Osbournes died. The singer-turned-TV host discovered on Sunday (28Apr13) that Maggie, a Japanese Chin, had passed away, and she took to her Twitter.com page to share her grief with followers. Osbourne posted a picture of the pooch and added, "Woke up to the worst news ever! I can't stop crying! It really is an end of an era... RIP Maggie!!!"