A smiling Danielle Panabaker happily revealed her growing baby bump in a new upload on her Instagram page Wednesday.

The 34-year-old actress, who plays Caitlin Snow on CW’s “The Flash” captioned her post, "Can't keep it to myself anymore," and added, "Swipe to see what's keeping me smiling!"

The expecting mom shared a couple of photos on her Instagram page. The first photo showed her garbed in winter clothes and holding a warm drink. The second image showed Panabaker’s mirror selfie showing her touching her baby bump.

The actress also shared a short clip where she can be seen smiling and rubbing her belly as she stood in front of a mirror.

Panabaker is expecting her second child with husband Hayes Robbins, whom she married in 2017. The couple welcomed their first child together in April 2020. “This was good but holding you in my arms is an indescribable feeling. Happy to announce that our baby was born and we are safe, happy, and healthy at home,” she wrote on her Instagram page announcing the birth of her first child.

Panabaker’s second pregnancy announcement was met with cheers by her CW co-stars who took to the comments section to congratulate her on the good news. It was also liked by nearly 27,000 fans who were thrilled by the news.

Bitsie Tulloch, who plays Lois Lane within the Arrowverse said, "Awwww yay it's finally public! Wooohooooo baby number twooooooo."

Michelle Harrison, Panabaker’s co-star on "The Flash," added, "Oh my gosh! I'm so happy for you! Congrats!" Brenda Song also chimed in with, "Congrats!!!! I'm soo happy for you!!"

“3rd Rock From The Sun” actress Danielle Nicolet also congratulated Panabaker and said, “I’m so excited for you! (And happy to I don’t have to keep this secret anymore! _ ) Love you and the little one so much. Can’t wait to meet my new little bestie!”

Panabaker and Robbins tied the knot in 2017 in an intimate ceremony attended by the couple’s family and friends including “The Flash” stars Grant Gustin, Carlos Valdes, Tom Cavanagh and Jesse L. Martin. After the ceremony, the actress took to social media and posted a photo her and Hayes in their wedding attire and wrote, "6.24.17 Happiest day of my life."

Danielle Panabaker as Caitlin “The Flash” star Danielle Panabaker said that Killer Frost’s (Danielle Panabaker) disappearance makes Caitlin (also played by Caitlin) more determined than ever to helping Team Flash defeat DeVoe. Photo: The CW