Gossip GirlalumBlake Livelyhas joined in the ongoing tributes for her co-starMichelle Trachtenberg, whosedeath was confirmedthis morning.

The actress was found unresponsive in her New York City home and pronounced dead at the age of 39.

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

L-R: Blake Lively and Michelle Trachtenberg in ‘Gossip Girl’

L-R: Blake Lively and Michelle Trachtenberg in ‘Gossip Girl’Giovanni Rufino / © The CW / Courtesy Everett Collection

Everything she did, she did 200%.

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Livelys statement continued, Time passes.

You take for granted that you get the chance to see an old friend.

Remembering Michelle Trachtenberg: A Career In Photos

To paraphrase, the real tragedies in life are the ones that blindside you on an idle Tuesday.

Trachtenberg appeared in 28 episodes ofGossip Girlas a major antagonist.

Trachtenberg starred as Buffys kid sister Dawn Summers.