Danish pop singer MØ played the final show of her UK tour last night at the Roundhouse in London. While she was singing her cover of the Spice Girls’ “Say You’ll Be There” during the encore, actual Spice Girl Melanie C, aka Sporty Spice, joined her onstage, turning the performance into a duet. Watch below.

Tonight I had the honour of sharing a stage @roundhouseldn with this incredible woman @momomoyouth she slayed #songs #vocals #energy #attitude She was inspired by the Spice Girls as a kid now she inspires me #proud #girlpower ??????????

A photo posted by Melanie C (@melaniecmusic) on Oct 22, 2016 at 3:13pm PDT