Lively, who starred as Serena van der Woodsen on the series, likened being on the show to a 'college' experience.

Blake Lively just shared never-before-seen photos from the set of 'Gossip Girl' — and they're a total time capsule.

Blake Lively brought a wave of nostalgia as she celebrated the 18th anniversary of Gossip Girl with a bundle of ...

Blake Lively marked 18 years of Gossip Girl with nostalgic throwback photos featuring Leighton Meester and Penn Badgley, ...

Efron, meanwhile was famously linked to High School Musical co-star Vanessa Hudgens and more recently to Australian model ...

The “Vampire Diaries” star and the “High School Musical” alum were photographed laughing while on a yacht off the coast of Sardinia.

Zac Efron is repping a new 'do these days. Captured in an September Instagram post from model Keleigh Teller, wife of Miles Teller, Efron was seen on a boat alongside a group of friends, rocking ...

Blake Lively celebrated the 18th anniversary of Gossip Girl by sharing nostalgic throwback images of Leighton Meester and Penn Badgley, referring to the series as her “college” experience and honoring ...

Here are our picks for some of the most notable teen show costars whose friendship extended to their real lives. On Dawson's ...

Eight years after #MeToo accusations that he admitted were true derailed his exploding career, Louis C.K. opens up about what he's learned from going through that in a new podcast appearance.