So lessons learned from the squad's outing: keep it casual, make sure you're all twinning, lock down a super awesome event, invite everyone who happens to be in town, but don't forget to snap some selfies to remember the night — we're just wishing the girls would have taken the latter advice... or at least, posted them!Twitter contentView on TwitterRelated: zapatillas deerupt runner Cara Delevingne, Martha Hunt, Suki Waterhouse, Lorde, and Lilys Aldridge and Donaldson at a private Kings of Leon concert in New York City, providing a lesson to us all that friend date nights are often waaayyyyy better than date-date nights.Fans were able to seeTaylor jamming out zapatillas deerupt runner who sang her hit “Firework,” John Legend, and Justin Timberlake.Twitter contentView on TwitterInstagram contentView on InstagramInstagram contentView on InstagramLet us slide into your DMs.Sign up for theTeen Voguedaily emailWant more fromTeen Vogue? Check this out: zapatillas deerupt runner that, due to prior incidents, the group's management agency, Big Hit Entertainment, said it would be upping security for the group members. zapatillas deerupt runner