Based on her record sales, there's no arguing the point that Taylor Swift is the most popular singer in the world.
But there also can't really be an argument to be made against Taylor Swift being the most popular celebrity in Hollywood, either, of we're counting by sheer number of famous friends.
After she started following the Dunham on Twitter, the Girls star sent her a private message. She told V magazine, "I was like, 'I just want to let you know that your albums have gotten me through a lot of very hard times.'"
Taylor Swift and Kellie Pickler met in 2009 when the pair were on tour with Brad Paisley and have also collaborated on music together. Kellie has said Taylor is her "little sister."
J. Lawand T. Swizzle exchange heartfelt messages when they're proud of each other, as Lawrence told Ryan Seacrest: "Oh, my god I freaked out over the CMAs. I sent her a text message that was like 6 inches long."
Swift sometimes dined with Gwyneth and Chris Martin in London, while the former couple introduced Taylor to her ex-boyfriend Jake Gyllenhaal at the end of 2010.
Ellie Goulding to Glamour UK in August 2014, on Swift and other big named pals: "They see what is and isn't real. I’m not anywhere near their level of fame but if I say, 'Oh God, Taylor, this happened,’ she’ll be like, 'Girl, that’s nothing.' Suck it up, kind of thing."
Taylor Swift serves sort of like a mentor to. The actress has gone to many of the singer's shows and celebrated Memorial Day with Taylor and good friend Jessica Szohr in Rhode Island.
Taylor and Julianne Hough both hail from Nashville. The two hosted the CMA Music Festival Special together back in 2008 and always make a point to meet up backstage at awards shows.