Blake Lively took to her Instagram Stories Wednesday evening to share a lengthy tribute to her “ Gossip Girl ” costar ...

Michelle Trachtenberg's 'Gossip Girl' co-star Blake Lively posted a tribute to the actress after news of her death.

Blake Lively broke her social media silence on Wednesday to pay tribute to her late “Gossip Girl” co-star Michelle ...

Lively also wrote about the "painful" film industry in her heartfelt tribute to her former costar Blake Lively is encouraging ...

Blake Lively, who co-starred with Michelle Trachtenberg on the teen drama "Gossip Girl," paid tribute to the late actress on ...

Blake Lively is mourning the loss of her former Gossip Girl costar Michelle Trachtenberg after the actress’ death. “This is ...

Lively shared a photo of the day she met Trachtenberg, writing, "The world lost a deeply sensitive and good person" ...

Blake Lively took to social media to mourn former ‘Gossip Girl’ costar Michelle Trachtenberg after her death at age 39 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Michelle Trachtenberg’s former ...

A heartbroken Lively took to Instagram Stories to share a lengthy tribute about her former co-star, who died suddenly on ...

The “Buffy the Vampire Slayer” star was found dead in her New York City apartment on Wednesday after going into cardiac arrest.

Michelle Trachtenberg was not interested in wading into the legal waters surrounding her Gossip Girl costar Blake Lively in ...