Clean Bandit and Zara Larsson make sweet music as Symphony hits No.1: "We didn’t think it was possible but now we’re Number 1 again!”

Plus, big climbers from Jason Derulo, Nicki Minaj & Ty Dolla $ign, Shawn Mendes, and J Hus.

The UK just wants to be part of your Symphony, Clean Bandit! The three-piece’s collaboration with Zara Larsson is this week’s Number 1, denying Ed Sheeran a 15th week at the top on the Official Singles Chart.

Symphony is Clean Bandit’s third Number 1, their second in a row after Rockabye, which spent nine weeks at the top and scooped the 2016 Christmas Number 1. It’s Zara Larsson’s first UK chart-topper, her previous highest peak being Number 2, with I Would Like.

Clean Bandit tell OfficialCharts.com: “We are all amazed to hear that Symphony is Number 1! We’ve been in the US the last few weeks touring with Zara Larsson and we got the chance to tell her it was Number 1. She was so excited!

“After everything thing that happened with Rockabye, we didn’t think it would be possible to replicate that but now we’re Number 1 again!”

MORE: View this week's complete Official Singles Chart Top 100

New entries and high climbers

There are two new entries in this week’s Top 10, the first climbing nine to 6 for Jason Derulo. Swalla, featuring Nicki Minaj and Ty Dolla $ign becomes Jason’s 12th Top 10 hit, Nicki’s 11th and Ty’s 2nd. Shawn Mendes also impacts the Top 10 at Number 7 – he climbs an epic 136 spots with There’s Nothing Holdin’ Me Back, claiming his third Top 10.

MORE: The Official Top 40 biggest songs of 2017 so far

Within the Top 20, there are a few notable climbs, including The Cure by Lady Gaga, rising four to 19 and the 17th Top 20 of Gaga’s career. Just behind her, Did You See from J Hus leaps 14 to Number 20.

Daddy Yankee scores his first Top 40 appearance in 12 years, since Gasolina back in 2005. His Luis Fonsi collab Despacito jumps from Number 70 to 22 thanks to a remix featuring Justin Bieber.

Rising 39 to 24 is viral video hit French Montana and Swae Lee’s Unforgettable, and Zayn and PARTYNEXTDOOR’s Still Got Time lifts nine to 27.

A further three songs make Top 40 debuts: Paramore’s Hard Times marks their 7th Top 40 appearance at 34, Lana Del Rey’s Lust For Life featuring The Weeknd is at Number 38 and Cheat Codes make No Promises with Demi Lovato at 39.

Check out this week's Top 100 Official Singles Chart in full

This week's Number 1 is one of the biggest of 2017 so far, but what are the biggest songs of years gone by? Find out below.

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2016 Drake - One Dance

Photo by: Andrew Lipovsky/NBC