“This is the first day I met Michelle.

“You knew when she entered a room because the vibration changed.

Everything she did, she did 200%.”

GOSSIP GIRL, Blake Lively, Michelle Trachtenberg

Blake Lively and Michelle Trachtenberg on ‘Gossip Girl’.Credit:Giovanni Rufino/The CW/Everett

The family requests privacy for their loss.

There are no further details at this time.

But Lively remembers Trachtenberg with only glowing positives.

Blake Lively, Michelle Trachtenberg

Blake Lively on Instagram.Blake Lively/Instagram;The CW

“Hold those you love and have loved dear.

The world lost a deeply sensitive and good person in Michelle.

Several of Trachtenberg’s otherGossip Girlcostars have sharedremembrances in the wake of her passing.

Blake Lively, Michelle Trachtenberg

Blake Lively and Michelle Trachtenberg in 2009.Kevin Mazur/WireImage

“Michelle was one of a kind,“Chace Crawfordwrote onInstagram.

“I remember her coming on set for the first time and just absolutely owning it.

Just a terrible loss.