A scantily clad Ariana Grande performs the UK number one single 'Bang Bang' (including parts originally performed by Jessie J and Nicki Minaj in the studio track) live at the 2015 Capital Summertime Ball.
Here are all the performances from the comeback series of 'Twin Peaks'.
He's embarking on his first ever solo arena tour.
The singer has donated half a million to relief efforts.
Pratchett died aged 66 in March 2015.