June 15, 2010 12:55 PM

John Russo

Tiffani Thiessen and husband Brady Smith have a reason to celebrate!

The couple welcomed their first child, daughter Harper Renn Smith, on Tuesday, June 15 in Los Angeles, her rep tells PEOPLE exclusively.

Baby Harper, who weighed in at 8 lbs., 3 oz., is “doing great,” as are the new parents.

Thiessen, 36, and Smith, an artist and actor, have been married since 2005.

Announcing her pregnancy, the actress said that starting a family is “something we’ve wanted for a long time and we are thrilled that it’s actually happening.”

— Eunice Oh

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