United Kingdom, June 19 -- The Secret Lives of Mormon Wives star Jen Affleck is pregnant with her fourth child.

The reality star and influencer took to her Instagram page to share the happy news that she and husband Zac will be adding to their family with another baby.

She wrote: "Chapter Four!"

Jen, 27, also shared a slideshow of snaps of herself showing off her growing bump, and wrote on her Instagram Stories that they will soon have "one more little soul to love".

Zac also shared Jen's post on his Instagram Stories, adding a string of red love heart emojis.

Her The Secret Lives of Mormon Wives co-stars were quick to congratulate Jen, with Jesi Draper writing: "So happy for you, love you!"

Miranda Hope added: "Glowing, Jenny."

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