She talks about it here too at 18:00 don't know if this video was posted.
Side bar, Dr Luke's best tracks have always been those Dubstep/Glitch/dance-pop he gives to Brit. He's so stale in every other aspect, except for "Dark Horse," which I was impressed by.
I don't care tbh. Luke is a good producer, he messes up sometimes but he can produce a big hit as well.
Fergie is the chick who worked with will.i.am (who everyone here hates) for years so how come u have expectations about her producers?
Anyway I am looking forward to Mike Will Made It tracks. I always liked him more than FlopJ Mustard ()