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With the inclusion of streaming into the singles chart from July, the Official Singles Chart of 2014 was the first ever to incorporate streaming data from services including Spotify, Deezer, Napster and O2 Tracks.

And the Official Biggest Song of 2014? Pharrell Williams claims the honour with Happy.

The track was released in June 2013 as part of the Despicable Me 2 soundtrack, and later as lead single from his second solo album G I R L, racked up a combined sales and streaming total of 1.62 million across 2014.

When OfficialCharts.com compiled the rundown of most downloaded songs of all time, to celebrate the 10th anniversary of the Official Download Chart, Happy finished on top overtaking Robin Thicke’s Blurred Lines, which… also featured Pharrell!

Pharrell told OfficialCharts.com at the time: "I would just like to say thank you, first and foremost, to the people, because the charts are determined by them. I have a lot to be thankful for because they’ve chosen these things and it’s resulted in Happy being what it’s become.”

See all of Pharrell's biggest songs on the Official Charts here.

MORE: Check out the biggest songs of 2017

Clean Bandit took second place with Rather Be. The classical-dance crossover track, which was also Jess Glynne's breakthrough track, finished 2014 with a combined chart tally of 1.29 million. The song also tied with Meghan Trainor’s All About That Bass – which places eighth on the year-end list – for longest-running Number 1 of the year, each spending four weeks at the top.

John Legend claimed the third biggest song of 2014 with All Of Me. The US soul singer’s ode to his wife Chrissy Teigen peaked at Number 2 on the chart back in April and spent an impressive 44 weeks in the Top 40 over 2014, finishing with a combined total of 1.2 million across all formats.

Taking fourth place on the Official Singles Chart of 2014 was Mr Probz with Waves. Remixed by Robin Schulz for its release, the track claimed the biggest-selling debut single of the year, with 1.01 million combined chart sales.

Rounding off the Top 5 on the Official Singles Chart of 2014 was Ed Sheeran’s Thinking Out Loud. The song, taken from his million-selling album X, claimed the longest ever climb to Number 1 after 19 weeks in the Top 40 and finished the year with a chart tally of 1.01 million.

The Official Top 100 Official Singles Chart of 2014:

1 HAPPY PHARRELL WILLIAMS 2 RATHER BE CLEAN BANDIT FEAT JESS GLYNNE 3 ALL OF ME JOHN LEGEND 4 WAVES MR PROBZ 5 THINKING OUT LOUD ED SHEERAN 6 GHOST ELLA HENDERSON 7 STAY WITH ME SAM SMITH 8 ALL ABOUT THAT BASS MEGHAN TRAINOR 9 TIMBER PITBULL FEAT KESHA 10 BUDAPEST GEORGE EZRA 11 SING ED SHEERAN 12 RUDE MAGIC 13 LET IT GO IDINA MENZEL 14 SHAKE IT OFF TAYLOR SWIFT 15 HIDEAWAY KIESZA 16 MY LOVE ROUTE 94 FEAT JESS GLYNNE 17 NOBODY TO LOVE SIGMA 18 MONEY ON MY MIND SAM SMITH 19 SUMMER CALVIN HARRIS 20 DARK HORSE KATY PERRY FEAT JUICY J 21 AM I WRONG NICO & VINZ 22 PRAYER IN C LILLY WOOD & ROBIN SCHULZ 23 PROBLEM ARIANA GRANDE FEAT IGGY AZALEA 24 I'M NOT THE ONLY ONE SAM SMITH 25 BANG BANG JESSIE J/GRANDE/MINAJ 26 I GOT U DUKE DUMONT FEAT JAX JONES 27 DON'T ED SHEERAN 28 BLAME CALVIN HARRIS FEAT JOHN NEWMAN 29 DO THEY KNOW IT'S CHRISTMAS BAND AID 30 30 UPTOWN FUNK MARK RONSON FEAT BRUNO MARS 31 FANCY IGGY AZALEA FEAT CHARLI XCX 32 CHANDELIER SIA 33 HEY BROTHER AVICII 34 CHANGING SIGMA FEAT PALOMA FAITH 35 GECKO (OVERDRIVE) OLIVER HELDENS & BECKY HILL 36 I WILL NEVER LET YOU DOWN RITA ORA 37 ONLY LOVE CAN HURT LIKE THIS PALOMA FAITH 38 BLAME IT ON ME GEORGE EZRA 39 SAY SOMETHING A GREAT BIG WORLD/AGUILERA 40 A SKY FULL OF STARS COLDPLAY 41 LOYAL CHRIS BROWN/LIL WAYNE/TYGA 42 RIPTIDE VANCE JOY 43 STEAL MY GIRL ONE DIRECTION 44 COUNTING STARS ONEREPUBLIC 45 HOW LONG WILL I LOVE YOU ELLIE GOULDING 46 CRAZY STUPID LOVE CHERYL COLE FEAT TINIE TEMPAH 47 BLACK WIDOW IGGY AZALEA FEAT RITA ORA 48 WIGGLE JASON DERULO FEAT SNOOP DOGG 49 FEELIN' MYSELF WILL I AM/CYRUS/KHALIFA 50 SHE LOOKS SO PERFECT 5 SECONDS OF SUMMER 51 IT'S MY BIRTHDAY WILL I AM FEAT CODY WISE 52 DANGEROUS LOVE FUSE ODG FEAT SEAN PAUL 53 THE MAN ALOE BLACC 54 SUPERHEROES SCRIPT 55 TRUMPETS JASON DERULO 56 STAY HIGH TOVE LO 57 DRUNK IN LOVE BEYONCE FEAT JAY-Z 58 SOMETHING I NEED BEN HAENOW 59 READY FOR YOUR LOVE GORGON CITY FEAT MNEK 60 LOVERS ON THE SUN DAVID GUETTA FEAT SAM MARTIN 61 MAGIC COLDPLAY 62 BOOM CLAP CHARLI XCX 63 CRYING FOR NO REASON KATY B 64 BLANK SPACE TAYLOR SWIFT 65 RIGHT HERE JESS GLYNNE 66 TAKE ME TO CHURCH HOZIER 67 TSUNAMI (JUMP) DVBBS & BORGEOUS/TINIE TEMPAH 68 JUBEL KLINGANDE 69 LOVE NEVER FELT SO GOOD MICHAEL JACKSON 70 WAKE ME UP AVICII 71 I SEE FIRE ED SHEERAN 72 WRAPPED UP OLLY MURS FEAT TRAVIE MCCOY 73 WASTED TIESTO FEAT MATTHEW KOMA 74 DON'T TELL 'EM JEREMIH FEAT YG 75 MAPS MAROON 5 76 CHANGES FAUL & WAD AD VS PNAU 77 LOVE RUNS OUT ONEREPUBLIC 78 I WANNA FEEL SECONDCITY 79 POMPEII BASTILLE 80 MY HEAD IS A JUNGLE WANKELMUT & EMMA LOUISE 81 UGLY HEART GRL 82 ME AND MY BROKEN HEART RIXTON 83 DO YOU WANT TO BUILD A SNOWMAN KRISTEN BELL/AGATHA LEE MONN 84 OUTSIDE CALVIN HARRIS/ELLIE GOULDING 85 DON'T STOP 5 SECONDS OF SUMMER 86 BREAK FREE ARIANA GRANDE FEAT ZEDD 87 DEMONS IMAGINE DRAGONS 88 ROAR KATY PERRY 89 REAL LOVE CLEAN BANDIT FEAT JESS GLYNNE 90 THESE DAYS TAKE THAT 91 STAY THE NIGHT ZEDD FEAT HAYLEY WILLIAMS 92 MILLION POUND GIRL (BADDER THAN BAD) FUSE ODG 93 THE MONSTER EMINEM FEAT RIHANNA 94 I'M A FREAK ENRIQUE IGLESIAS FEAT PITBULL 95 SOMEBODY TO YOU VAMPS 96 FADED ZHU 97 BRAVEHEART NEON JUNGLE 98 ROYALS LORDE 99 SHOT ME DOWN DAVID GUETTA FEAT SKYLAR GREY 100 LIKE I CAN SAM SMITH

© 2014 Official Charts Company. All rights reserved.

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