Dressed in her usual boho style the Lights Out actress lies down on her couch as baby Poet slept on her stomach, using her arms as a pillow.
"Dreaming," the mother of three captioned the post.
She also posted another adorable photo of baby Poet lying on the floor sucking her older sibling finger, Bodhi.
Teresa gave birth to her third child, Poet last Friday with husband Mark Webber, 38, who she shares two other children with Bodhi Rain, 5, and Forest Sage, 2.
To announce the birth of their beautiful addition to their family, the couple took to Instagram posting a series of adorable photos of the newborn.
Teresa captioned the picture, "Our beautiful little girl Poet Lake Palmer arrived Friday night on April 12th. She is pure magic, we feel like we are in a dream."
The couple has been married for five years, Mark recently revealed the birth of Poet inspired him to get her name tattooed on his neck.
"I whispered her a poem as soon as she was born. Our beautiful baby girl Poet Lake Palmer has arrived. We're all in total bliss," Chris wrote in his Instagram post.
Needless to say, we can't get enough of this beautiful newborn and her chubby little cheeks!