A source tells PEOPLE that Sharon Osbourne is "heartbroken" by husband Ozzy Osbourne's death. They add that the TV personality has found "a lot of comfort" from the "family time" they spent together before her late husband died on July 22.

Sharon Osbourne is grieving the loss of her late husband, Ozzy Osbourne, after his shocking death last week at 76. An insider close to the TV personality revealed that the Black Sabbath legend’s passing has left Sharon, 72, so devastated that their children have had to step in to take care of her.

Vulnerable' Sharon Osbourne has been supported by her family and friends after the death of her husband Ozzy Osbourne, who tragically passed away aged 76 on July 22