Big witch energy: Maggie Rogers and Florence Welch perform 'Light On' together live.

Florence Welch delighted fans at Maggie Rogers' London show last night by joining her onstage for a surprise performance of 'Light On' together, with Rogers introducing her as a "powerful witch" and "musical big sister".

was inducted into the south london coven under the full moon tonight. giant thank you to my musical big sis @flo_tweet for making this special night one ill never forget

gaelle beri pic.twitter.com/gMbzYszI8i
— Maggie Rogers (@maggierogers) February 20, 2019

Watch fan-filmed footage of the performance below...

P.S. New Zealanders can catch Maggie live in Auckland on June 1st! Click here for more information.

SOCORRO!
Florence Welch subiu ao palco pra se apresentar com Maggie Rogers. pic.twitter.com/amfJZoRhvN
— Site Florence Brasil (@SiteFloBrasil) February 19, 2019