Princess Eugenie is mourning the death of her friend Michelle Trachtenberg. The royal took to her Instagram to share a throwback photo of herself with the late actress.

Blake Lively is mourning the loss of her former Gossip Girl costar Michelle Trachtenberg after the actress’ death. “This is the first day I met Michelle. She was electricity,” the A Simple Favor star,

Trachtenberg starred as the cunning Georgina Sparks on the beloved CW series, appearing in each of the six seasons and reprising her role in the recent reboot.