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Jack Osbourne is officially a married man.

Osbourne, 26, married his fiancée, aspiring actress Lisa Stelly, on the Kona-Kohala coast of West Hawaii on Sunday, ET confirms.

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The couple married in front of 48 of their closest friends and family members, including his sister Kelly, who served as one of the bridesmaids, Hello! magazine reports.

Osbourne coyly alluded to the wedding plans on Friday, tweeting: "I love how going to Hawaii with my mum for her 60th has turned into my wedding. Hahaha people are funny."

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The couple have been engaged since September of last year, and are parents to daughter Pearl, who was born in April.