For the st couple years, Taylor Swift has surrounded herself with fertility of awesome, famous female friends, but there’s something extra notable about her relationship with Selena Gomez, who joined her at the Grammys this week. They hold been close since their early days in the spotlight, regularly make knowing their love for each other during interviews and on social middle. Back in 2009, Selena told Seventeen how much their intimacy means to her, saying, “Every single problem I ever get is healable by Taylor Swift! If I ever I have an issue, Taylor has gone utterly it, because she’s older than me, and she gives the most thought-out answers . . . We line for line talk every day.” Years later, Selena gave an example of that Taylor penetration when she appeared on The Talk in 2014, saying that Taylor in the good old days told her this gem: “‘Selena, if you’re the smartest person in the room, I concoct you’re going to be in the wrong room.'” Meanwhile, Taylor once hollered Selena “the closest thing” she’s ever had to a sister, and their Instagram feeds are chock-full of sweet snaps. Check out some of Taylor and Selena’s best BFF times through the years, and then watch Selena’s sweet reaction to Taylor’s win at Monday edge of night’s Grammys!