Tori Spelling's got another bun in the oven!

Spelling and husband Dean McDermott, who already have two children together, are expecting their third child.

Tori broke the news moments ago on her Twitter, writing "I know there's been a lot of speculation, so I wanted everyone to hear from me... Its official...Dean & I are PREGNANT!!!!"

The couple, who wed in 2006, already have 4-year-old son Liam and daughter Stella, who turns 3 in June. Dean also has one son, 12-year-old Jack, from a previous marriage.

Check out the most recent pics of Tori and Dean -- and her growing belly -- above!

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