Sharon Osbourne: Jack's Baby News Is "A Blessing, A Joy"

Sharon Osbourne says she's thrilled that her son Jack Osbourne is going to be a dad... just don't call her grandma.

"The baby's going to have to call me Shazza or Misses O," she said on The Talk this morning. "In London, that's Sharon, the abbreviation is Shazza. They call you, 'Shazza.' 'Hello Shazza!' "

Revealing that Jack and his fiancee Lisa Stelly's little one is due in April, Sharon gushed, "Our family is growing, and I love that. It's just a blessing, it's a joy."

While her son admitted to being be "a little nervous" about fatherhood, Sharon shares that he's also "so excited," adding, "[The baby news] was just overflowing from him … His eyes were all teary [from joy]."

Jack's sister Kelly was also quick to offer her congratulations after he shared the big news yesterday.

"been waiting 2 say this for so long im the happiest girl in the world im going to be an auntie!" Kelly Tweeted. "@lisamarstelly welcome 2 the family i <3 u"

As for Shazza, she says that she just can't wait to spoil her new grandchild!

"That's what comes with being a grandmother. You can spoil, you can indulge, and then say, 'Okay, now let your parents be the ones to teach you right from wrong. I'm not. What do you want? Have it!' "