Full version of 'South Park' Lorde spoof track released - listen
'Push (Feel Good on a Wednesday)' is sung by Sia
Lorde appears on 'Time' Magazine's 'Most Influential Teens' list alongside Malala Yousafzai
Musicians Jaden Smith and Becky G also appear on the list alongside figures from world of sport, politics and science
Lorde sings her own 'South Park' song – watch
Singer reveals amusement at recent episode in which she was 'revealed' to be 45-year-old geologist Randy Marsh
Lorde responds in good humour to 'South Park' guest spot
Singer says being subject of two episodes is 'weird and cool'
Lorde reveals new song 'Yellow Flicker Beat' on anniversary of 'Pure Heroine' album release – listen
New single is taken from the soundtrack to forthcoming 'Hunger Games' sequel
Lorde reveals hand-written lyrics from 'Hunger Games' song
'Yellow Flicker Beat' will be released next week
Lorde beats Justin Bieber to top Billboard poll of most influential musicians under the age of 21
5 Seconds of Summer and Earl Sweatshirt also feature on the list
Lorde to release Hunger Games single 'Yellow Flicker Beat' next week
The song is her first new material since last year's 'Pure Heroine'
Lorde covers Kanye West and Bon Iver during Philadelphia concert – watch
Teenage singer performs 'Flashing Lights' and 'Heavenly Father' live
Lorde works with producer Paul Epworth on song for 'Hunger Games' soundtrack
New single described as "moody, dark and powerful" by recording studio owner