The children of NBCs must-see-TV generation are growing up.

Jerry Seinfelds daughter Sascha just went to the prom . And now the teen daughter of Friends star Courteney Cox is giving new life to her moms old dress.

Cox on Tuesday posted a photo of Coco Arquette, who turns 15 on Thursday, wearing the dress next to a throwback of Cox in the same outfit on the red carpet decades ago.

Im not one to hold onto things but this was a damn good purchase! 21 years later... Cox wrote.