There's a lot to celebrate this month with award season, Mardi Gras, and Valentine's Day, but February is also National Friendship Month! We've rounded up pictures of our favorite celebrity buddies to mark the occasion. Take a look at Golden Globes hosts Tina Fey and Amy Poehler, business buds Justin Bieber and Usher, and funny ladies Jennifer Aniston and Chelsea Handler. There's also John Krasinski and his surfing pal Jimmy Kimmel, plus so many more. Click through to see them all! View Slideshow ›