On Tuesday, the Friends star, 58, celebrated daughter Coco's 19th birthday with a sweet tribute on Instagram, featuring a selfie of the mother-daughter duo. In the picture, Cox and Coco smile ...

We are three sisters (Kaylee Quinn, Rihanna Quinn, and Coco Quinn) along with our brother named Tyler. Jeannie is our mom! We are vegetarians (except for Tyler) and huge animal lovers!