Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleKaley Cuoco has announced she is expecting her second child with fiancé Tom Pelphrey (Getty)Kaley Cuoco, best known for playing Penny in The Big Bang Theory, has announced she is expecting her second child with fiancé Tom Pelphrey. The couple, who are already parents to a three-year-old daughter named Matilda, revealed they are having another baby girl.Cuoco shared the news on Instagram, posting a carousel of photographs including one with a cake showing pink sponge and snaps of her baby bump. She wrote in the caption: “Completing our little family, what a dream come true! This second time around journey has been a little windier in many ways, but wow we are so grateful for this moment!! Little sissy on the way!!!”Pelphrey is known for his role as Ben Davis on Ozark, for which he received an Emmy nomination. In fullKaley Cuoco announces second pregnancy with fiance Tom PelphreyThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in