The former Nickelodeon star also shared sweet photos of them on set Former Nickelodeon star Danny Tamberelli remembered his The Adventures of Pete & Pete costar Michelle Trachtenberg in an emotional Instagram post.

Eugenie became friends with Trachtenberg when she lived in New York City and worked for the art auction start-up Paddle8 from 2013 to 2015. Their friendship first became public in December 2013, when they were photographed courtside at a Knicks game alongside actor Michael K.

Princess Eugenie is mourning the loss of her “special friend,” actor Michelle Trachtenberg. The royal posted a moving tribute to the late actor on her Instagram Story this week. Trachtenberg, 39, was confirmed dead on Wednesday after her mother discovered her in her New York City apartment.

Michelle Trachtenberg, who died on Wednesday at age 39, was in a long-term relationship prior to her death. The actress had been linked to talent agent Jay Cohen since 2020. According to The Hollywood Reporter, Cohen is a partner and head of film finance and distribution at the Gersh Agency.

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip Girl" costars.

Sarah Michelle Gellar is paying tribute to her late "Buffy the Vampire Slayer" co-star Michelle Trachtenberg after her tragic death at age 39.

Sarah Michelle Gellar mourned the death of “Buffy the Vampire Slayer" co-star Michelle Trachtenberg in an Instagram post.