HBO's Official Golden Globe Awards After Party - Inside
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Today is National Best Friend Day and we're raising a glass to friendship with a look at some of the most adorable celebrity besties. From Cameron Diaz and Drew Barrymore, and Reese Witherspoon and Sofia Vergara, to Taylor Swift's long list of pals—including Lena Dunham (above), Ellie Goulding, Selena Gomez, and Haim (to name a few!)—see some shining examples of famous BFF camaraderie.

There are so many celebrities who are lucky enough to call T Swizzle a bestie. Here, she bonds with Goulding, Gomez, and two members of Haim.

Former Spice Girl Victoria Beckham poses with her band mates while holding hands with her longtime BFF, Eva Longoria.

The set of Hot Pursuit must have featured nonstop laughter because Witherspoon and Vergara seem to always have an amazing time together.

These model besties know how to strike a fierce pose even when they're being silly together.

Delevingne and Dunn are inseparable even when they're not together—they have matching tattoos to remind them of their everlasting friendship.

These besties not only share a love for acting but they also enjoy learning new hobbies together.

Tisdale and Hudgens are each other's biggest fans.

Hudson and Tyler's friendship has stood the test of time—it goes way back to high school.

Lopez and Remini know how to make the best out of long car rides and have a great time together.

Winfrey and King met while working at a news station during the early stages of their career and have been inseparable since.

These best buds show off their silly faces while taking a break from bowling.

The runway-walking beauties have grown closer than ever through the years.