Blake Lively and Amber Tamblyn Share Photos From 'Traveling Pants' Reunions

— -- The last "Sisterhood of the Traveling Pants" movie hit theaters in 2008.

However, all these years later, the cast has remained close.

Amber Tamblyn posted a photo over the weekend from her former co-star America Ferrara's play, "Lips Together, Teeth Apart." However, she wasn't alone: The actress attended the show with Alexis Bledel and Blake Lively, the other two stars of the "Traveling Pants" franchise.

"Sisterhood dropped by matinee of #lipstogetherteethapart @2STNYC &made my day!" Ferrara tweeted. "I get by w/a lil' help from my girls."

The cast has reunited several times over the past few weeks, for lunch, brunch and cultural activities. Just this past weekend, Tamblyn and Lively also attended an art opening together.

"What a wonderful night with @amberrosetamblyn and @travislouie at the opening of his new show in NYC. He is one of my favorite artists and a great father, husband and man! So grateful to know him," Lively wrote on Instagram. "Ps. Thank you Amber for playing dress up with me #PreserveStyle Who can iSpy the @preserve_us pieces we borrowed?"