Time passes. You take for granted you get the chance to see an old friend. To paraphrase, the real tragedies in life are the ones that blindside you on an idle Tuesday,” Lively wrote

Friends and costars of Michelle Trachtenberg are remembering the actress with touching tributes after her passing on Wednesday at the age of 39.

Blake Lively broke her social media silence on Wednesday to pay tribute to her late “Gossip Girl” co-star Michelle Trachtenberg, who died Wednesday morning at 39. In an Instagram Story, Lively remembered Trachtenberg as a “fiercly loyal” and “kind person, through and through.”