Ava Max said 5SOS were the most "psycho" #CapitalSTB Ballers

WATCH: Ava Max Calls 5 Seconds Of Summer The Most Psycho #CapitalSTB Ballers

Artists

The Jonas Brothers put on amazing performance at the Summertime Ball

The Jonas Brothers Had Us Burnin' Up At The #CapitalSTB With Their Iconic Mash Up

Artists

Mabel pied someone backstage at the #CapitalSTB

WATCH: Mabel Pied An Unsuspecting Member Of The Public Straight In The Face

Artists

Khalid put a smile on everyone's faces in Wembley Stadium

Khalid's Summery Outfit Matched His Iconic Performance Of 'Better' And 'Talk' At The #CapitalSTB

Artists

Mabel rocked blue hair for her Summertime Ball performance

Mabel's Summertime Ball Was Pop Perfection As She Performed Hits Including 'Don't Call Me Up'

Artists

Tom Walker's Summertime Ball performance gave us goosebumps

Tom Walker Leaves Wembley Stadium In Awe After Capital's Summertime Ball Performance

Artists

Sigrid's Summertime Ball performance had everyone dancing

Sigrid Brings Her Biggest Tunes To The Capital Summertime Ball

Artists

Jonas Blue electrocuted one member of the #CapitalSTB

WATCH: Jonas Blue Electrocutes One Of The #CapitalSTB Crew

Artists

Sigrid chose Zara Larsson over Shawn Mendes

WATCH: Sigrid Gets Rid Of Shawn Mendes Over Zara Larsson

Artists

Jonas Blue commanded the stag at the 2019 Summertime Ball

Jonas Blue Worked Wembley Like A Pro For His Fire Summertime Ball Set

Artists

Photo from LIl Xan Instagram

Lil Xan speaks out after pulling a gun on man over Tupac comment

Anne Marie got the crowd well and truly hyped

Anne-Marie's Summertime Ball Performance Lights Up The Whole Of Wembley Stadium

Anne-Marie

Sigala brought out Ella Eyre and Becky Hill during his 2019 Summertime Ball set

Sigala's #CapitalSTB Set Was A Whole Mood & Included Some Fierce Collaborators

Sigala

Must see moment from the 2019 Summertime Ball

All The Must See Moments From The #CapitalSTB 2019 Including The Jonas Brothers & Busted's Surprise

Anne-Marie at Capital's Summertime Ball 2019

A-Z: Every Single Performance From Capital's Summertime Ball 2019

Events

Sigala slid into James Arthurs DMs

Sigala Reveals He Was Ignored When He Slid Into James Arthur's DMs - But Wants Anne-Marie Collab

5SOS caught up with Roman Kemp backstage at the #CapitalSTB

WATCH: 5SOS Swap Phones And Go Through Each Other's Camera Rolls

5 Seconds Of Summer