The actress' wedding band is front and center in the image, which features her son Moses in celebration of his eighth birthday.
It's unclear when the photo was taken, so it could have been before the actress and her husband, Chris Martn, decided to "consciously uncouple."
Moses Bruce Paltrow Martin turns 8 today. We love you! pic.twitter.com/O7d1a7Hwul— Gwyneth Paltrow (@GwynethPaltrow) April 8, 2014