Katy Perry appeared on this weekend's Saturday Night Live where she performed a sketch of Florence And The Machine's 'Dog Days Are Over' – you can watch the video below.
The singer followed in the footsteps of Elton John, Jon Bon Jovi, Justin Timberlake, Britney Spears and many more musicians, appearing as the musical guest on the US show.
The sketch see Perry don a ginger wig and impersonate Welch in 'Dog Trail Is Over'.
Meanwhile, Katy Perry and Russell brand have both denied recent rumours that the pair are planning to divorce.
Online reports circulated last week (November 30) that the pair are heading for a divorce following months of speculation.
Katy Perry - 'Dog Trail Is Over':