A *lec Baldwin *'s eldest daughter has penned a touching albeit bizarre letter to her newborn half-sister.
The 55-year-old former 30 Rock star and his 29-year-old wife Hilaria welcomed their first child, Carmen Gabriela, into the world on Friday.
And Baldwin's 17-year-old daughter Ireland, whose mother is Kim Basinger, hopes they will be best friends and Carmen will learn from her mistakes.
The self-confessed "experimental, wild child" posted a letter full of advice to Carmen on her Tumblr site just hours after her birth, saying: "You have entered the world! Welcome! We have all been anticipating your arrival! By we, I mean a lot of people. Girl, you haven't even met them, but there are a ton of people who care about you."
The blonde model warned her newborn sister about drinking, smoking marijuana, dating and trusting the wrong people, and assured her that she would always be there for her.
Ireland also addressed her own parents' bitter split and how much it hurt her growing up.
She wrote: "Remember your parents will always love you. As a kid, you forget that sometimes. When they are screaming about this and bickering about that. It hurts. Grown ups yell. I don't know why, but they do. No matter what your mom or Dad says or does, simply remember that they love the s… out of you. NEVER forget it."
She added: "I love you, Carmen. You have been born into one crazy family. You are both lucky and cursed at the same time."
'You have entered the world! Welcome! We have all been anticipating your arrival!'