Tiffani Thiessen gives birth to son, shares first photo on Instagram

Actress and television personality Tiffani Thiessen has given birth to her second child, a boy she named Holt Fisher Smith.

Thiessen and actor Brady Smith have been married since 2005. They have a 5-year-old daughter named Harper.

"Yesterday Harper got a little brother! We are so excited to introduce Holt Fisher Smith. Our perfect sweet little man. #weareblessed #familyoffour," Thiessen captioned Friday's Instagram photo of Harper holding her snoozing sibling at the hospital.

The 41-year-old actress is best known for her roles on White Collar, Beverly Hills, 90210 and Saved By the Bell. She is now the host of the cooking show Dinner at Tiffani's.