Jack Osbourne

Jack Osbourne underwent surgery over the weekend to get his appendix removed.

The 25-year-old son of Sharon and Ozzy tweeted a photo of himself with his fiancé Lisa Stelly at the hospital on Sunday. "This is what you look like when you have has [sic] your appendix removed," he wrote.

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By Monday, Osbourne was on the road to recovery, which is good since he'll soon be a daddy! "Man, high powered pain killers + radiohead = dangerous territory for me. I gotta get outta this hospital. This is getting to [sic] good."