Butts, war and horses: these are the exhibitions you have to see this weekend

Want to see some cool art this weekend? These are the shows you won't want to miss.

Loads of butts and tons of dongs by a great photographer, curated by a great photographer at Teller on Mapplethorpe

Courtesy the Mapplethrope Foundation and Alison Jacques

A super intense, aggressive, bubblegum video installation about the evils of data and viruses by Rachel Maclean at Tate Britain 

Part video art, part performance art by the brilliant Leah Capaldi at Matt's Gallery

 
Gorgeous paintings by a pop art great, Patrick Caulfield at The Approach

A sideways look at art history that's not half as boring as it sounds at Carroll/Fletcher

Brutal, harrowing pictures of war by the incredible Richard Oelze at Michael Werner

Find more cool art in London