Rumer Willis recently marked a significant milestone as she celebrated Mother's Day for the very first time. The actress took to Instagram to share a series of photos capturing the precious moments from her daughter Louetta Isley's birth. "I have waited and dreamed of you my whole life. You are more than I could have ever imagined," Rumer captioned the post. "You have changed my life in the most profound way. It is the privilege and honor of my life to be your Mother and I will do everything and anything for you always. I hope you never stop wanting to sleep next to me or take baths with me." Rumer Willis says she is very happy to be a mother Instagram "I can't wait to see who you are, although I feel like I have known you my whole life. One of the first things I said after you were born was 'oh my girl, I missed you,'" she detailed further. "I didn't even realize I had said it til @buuski told me later but it's true. I feel like I have always known you and you me. You are the most beautiful creature I have ever met. I still wake up every morning and can't believe you are mine." RELATED: Bruce Willis’ Daughter Rumer Willis Welcomes First Child With Boyfriend Derek Richard Thomas Rumer also expressed her happiness at being a mother. "Thank you for choosing me to be your mama, thank you for trusting me to guide you through your life," she explained. "Every moment and contraction and every bit of the pain of birth was worth it and I would do it a thousand times over if it means getting to spend one sec with you." Instagram The actress praised her boyfriend, Derek Richard Thomas The actress expressed her deep admiration for her boyfriend, Derek Richard Thomas, for his support the start of their journey into parenthood. "Thank you for giving me the gift of this beautiful soul and for catching our girl as she came into the world," Rumer said. "And for holding such beautiful space for me as I brought her into the world." Instagram Rumer concluded that their daughter, Louetta Isley is fortunate to have the singer as her father. "She is so lucky to have you as her papa and loves you so much," she confessed. "We are so grateful for you and love you so much."