“Happy 20th birthday, @applemartin 💕,” Gwyneth, 51, wrote via Instagram. “How can it be that you are 20 today? It feels surreal!” In addition to sharing a throwback photo of her ...

The Goop founder, 51, shared a sweet post on her Instagram in honor of her daughter Apple's 20th ... Favorite Things' "Happy 20th birthday, @applemartin 💕How can it be that you are 20 today?

"Happy 20th birthday baby. I will love and care for ... "Thank you my son and my lovely daughter in law for giving us this beautiful gift! We are so blessed that she is a new addition to our ...