Today, we’ve got a new meme to share: Happy birthday friend.Miley Cyrus, the world’s hottest teen-pop star, posted a video on Instagram this morning, captioning it, “Happy birthday friend! ๐Ÿ’€๐Ÿ’€๐Ÿ˜˜๐Ÿ˜˜๐Ÿ‘Œ๐Ÿป.”That’s not a typo.Happy birthday.Happy birthday.Happy Birthday.Happy.HappyHappy birthdayMiley.Happy,Happy.Thanks to Miley, who is now an Instagram star and an actual human,...