Masie Peters wowed the crowds at Capital's Summertime Ball

Maisie Peters Made An Electric Debut At Capital's Summertime Ball

The Jonas Brothers brought the biggest party to Capital's STB in 2019

Jonas Brothers 'Eternally Grateful' For Their Iconic Capital's Summertime Ball Performance

Katy Perry reminisced her 2012 Capital's Summertime Ball performance

Katy Perry Reminisces 2012 STB Performance With Sweet Message During Best Of Capital’s Summertime Ball

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Jesy Nelson explained what she does when she forgets lyrics

WATCH: Jesy Nelson Shares Hack She Uses For When She Forgets Lyrics On Stage

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Jess Glynne picks her favourite Summertime Ball performance

WATCH: Jess Glynne Looks Back On Her Favourite Capital's Summertime Ball Performance

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Nick Jonas prefers performing with the Jonas Brothers than as a solo artist

WATCH: Nick Jonas Picks Between Performing Alone Or With Jonas Brothers

The Jonas Brothers join Roman at the Summertime Ball

WATCH: 24 Hours Inside... Capital's Summertime Ball 2019

Ava Max delighted the crowd at Wembley Stadium

Ava Max And Her Asymmetrical Hair Took Wembley Stadium By Storm At Capital's Summertime Ball

5SOS couldn't have made it  look 'Easier' for their Summertime Ball set

5SOS Returned To The Summertime Ball Stage For An Unforgettable Set

Halsey's Summertime Ball set had a fellow Baller in the mix

Halsey Brought The Magic Across The Pond For Her First Ever Summertime Ball Set

Rita Ora looked exceptional on stage at the Summertime Ball

Rita Ora Provides The Perfect Summer Vibes With An Incredible Performance At The Summertime Ball

Ellie Goulding's poptastic Summertime Ball set was one to remember

Ellie Goulding's Sizzling #Capital STB Set Included Huge Hits 'Close To Me' & 'Sixteen'

The Jonas Brothers called their split "important"

The Jonas Brothers Stated Their Break-Up Was "Important"

Jonas Brothers regret writing 'Pizza Girl'

WATCH: The Jonas Brothers Regretted Writing And Releasing 'Pizza Girl'

Jax Jones never fails to turn up a whole stadium at the 2019 Summertime Ball

Jax Jones's Surprise Filled Set Started The Summer Off Right At The #CapitalSTB

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

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

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

Mabel pied someone backstage at the #CapitalSTB

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