To me this is my favourite collaboration news. Britney Spears tweeted yesterday that she was writing with Sia for her upcoming album!!
Had an AMAZING writing session today with the beautiful and talented @Sia. We wrote such a special song together :)
Can't wait to check out this song!!

Britney Spears twitou ontem que esteve a escrever com a Sia para o seu novo álbum e refere que o tema é muito especial! Mal posso esperar para o ouvir!!