Blake Lively is celebrating her “forever sister” Amber Tamblyn’s birthday. On Thursday, Lively posted a sweet photo of her and Tamblyn with their “Sisterhood of the Traveling Pants” co-stars to her Instagram Story to mark the actress’ 37th birthday.
RELATED: Ryan Reynolds Shares Heartwarming Mother’s Day Tribute To Wife Blake Lively “Happy Birthday my forever sister,” she wrote on the photo.
Tamblyn also took to Instagram to re-post the photo saying, “Love you sis. Truly.” Lively is not the only celeb to wish Tamblyn a Happy Birthday.
Amy Schumer and Eliza Clark were also among those celebrating the star. RELATED: Blake Lively Shows Off Impressive ‘Sesame Street’-Inspired Waffle-Making Skills Lively, Tamblyn, Alexis Bledel and America
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