Alyson Hannigan, Kenan Thompson, Extra Stars Honor Michelle Trachtenberg

Michelle Trachtenberg is being remembered for the constructive vitality she dropped at set by most of the stars she labored with through the years … after her dying was introduced at present.

Quite a few stars have taken to social media to point out their love for the late actress, sharing tales from their occasions working along with her.

Kenan Thompson posted a pic of the 2 from means again within the day … calling her the primary Nickelodeon film star — in addition to considered one of his shut pals.

Alyson Hannigan — who appeared alongside Trachtenberg in quite a few episodes of “Buffy the Vampire Slayer” — shared an image of the 2 collectively and mentioned she exuded loving vitality at work.

Others added their very own tributes … together with Kim Cattrall, Snooki, Lele Pons, Matt King, Shane Dawson, Iris Apatow, Shawn Ashmore, Brandi Glanville and plenty of extra bold-faced names.

A giant takeaway from a big swath of the tributes on-line … many are thanking Michelle for being an integral a part of their childhoods.

Michelle was discovered unresponsive in her New York Metropolis residence Wednesday … and, first responders pronounced her useless on the scene. A supply informed us Michelle had a liver transplant up to now yr — unclear if that performed a think about her tragic dying.

She was 39.