Sharon and Kelly Osbourne are paying tribute on what would have been the late Ozzy Osbourne's 77th birthday. On Wednesday, December 3, Sharon, 73, shared a video montage dedicated to Ozzy via her Instagram account. The clip begins with a glimpse of a special birthday memorial that has been erected on Black Sabbath Bridge in Birmingham, England, where Ozzy and his bandmates are from. The words "Happy birthday, Ozzy" can be seen adorning the bridge in purple flowers.