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Katie Holmes (search) says she's ecstatic about being pregnant — even if she's not jumping on couches.

"It's a dream come true," the actress said on the syndicated entertainment news show "Access Hollywood (search)" Thursday. "I feel great, (being pregnant) is so beautiful. I've never been so happy. ... I'm beaming."

Holmes, 26, and Tom Cruise (search), 43, became engaged in June. Her pregnancy was first reported earlier this month.

In preparation, Holmes said she and Cruise are putting together a baby room and that she's learning how to knit.

It would be Holmes' first child. Cruise has two children, Connor, 10, and Isabella, 12, from his marriage to Nicole Kidman.

As for wedding plans, Holmes said, "We don't have a date just yet. There is so much excitement going on."

Cruise is currently shooting "Mission Impossible 3."