The Brits Award did a tribute. I did love Gaga's b/c of the spectacle, but the Lorde's tribute was waaaaaaaaaaaaay better. And Annie and Gary's tributes made me cry again. One of my favorite concerts to watch is Bowie and Lennox performing together at the Freddie Mercury tribute, so I'm sure this was quite personal for her (which if you've never seen is here:
Lorde's performance is around 8:30.