Facebook is turning 12, and to celebrate its milestone, the company is celebrating friendship through a personal slideshow on all of its user’s pages. Facebook declared Feb. 4 “Friends Day,” and we are thinking about all of the famous friends that should be celebrating together today.

Some celebrity friendship duos are created on set and then last long after the movie wraps, like Charlie’s Angels stars Drew Barrymore and Cameron Diaz. Other friendships come out of nowhere, like Grammy winner Beyoncé and Oscar winner Gwyneth Paltrow, but make sense once you realize they are two of the most influential women in Hollywood. Julianne Hough and Nina Dobrev, Katy Perry and Rihanna, and Vanessa Hudgens and Ashley Tisdale are some of the biggest friendships in young Hollywood, and fans go crazy for their Instagram selfies.

While the friendships above are memorable, they have nothing on the stars that put their friendship above everything else and have stood the test of time.

In honor of Friends Day, TheCelebrityCafe.com is counting down the top 10 famous best friend duos.

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