Ozzy and Sharon Osbourne's son Jack, who directed 'God Bless Ozzy Osbourne' is off the market.

E! News reports that he proposed to his girlfriend, aspiring actress Lisa Stelly, and she has accepted! Congrats to Jack on the upcoming nuptials/marriage/kids/the whole shebang! It'll be the first marriage for Jack, 25.

Stelly has passed a key test, too. She has earned the approval of Jack's older sister, Kelly, who recently tweeted about a hang session with her future sister-in-law. Last month, the outspoken Kelly posted the following (unedited) tweet: "Spending the day with my brothers (sic) girlfriend lisa who might I just say is the best gf (girlfriend) he has ever had I love her! I mean finally...."