35. K’naan – ‘Wavin’ Flag’. The third single from his album ‘Troubadour’ entered the UK Chart at Number 16, but it reached Number One on the UK R&B Chart. This song was used as Coca-Cola’s promotional anthem for the 2010 FIFA World Cup. A different version of the song, featuring will.i.am and David Guetta, appears on the soundtrack for video games ‘NBA 2K10’ and ‘2010 FIFA World Cup South Africa’.
32. Sidney Samson feat. Wizard Sleeve – ‘Riverside (Let’s Go!)’. This one comes from Dutch DJ Sidney Samson. It samples a clip of Tupac Shakur shouting “Riverside, motherfucker!”, from the film ‘Juice’. The mix with Wizard Sleeve reached Number One on the UK iTunes chart and Number Two in the UK Singles Chart.
27. Katy Perry – ‘Firework’. The third single from ‘Teenage Dream’, it peaked at Number Three in the UK and was certified Silver for selling over 200,000 copies. Perry said: “I also don’t want to be cheesy…It’s a fine line, and I think ‘Firework’…would be like the opus or my one song — if I had to pick a song to play — ’cause it has a great beat. But it also has a fantastic message.”
25. Lady Gaga – ‘Bad Romance’. Kicking off its release at Number 14 in the UK Singles Chart, the lead single from EP ‘The Fame Monster’ eventually made it to Number One, becoming her third chart-topping single in the UK. She made chart history by having the most Number One songs in a single year by a female artist.
20. Matt Cardle – ‘When We Collide’. Despite efforts to knock the X-Factor winner out the the coveted Christmas Number One spot, this year’s winner still managed to win the title. A cover of Biffy Clyro’s ‘Many of Horror’, renamed ‘When We Collide’, was released as his debut single, and sold 439,000 copies in its first week.
19. Jason Derulo – ‘Ridin’ Solo’. Making another appearance in this list, Jason Derulo’s third single became his third consecutive top three hit in the UK Singles Chart and his third consecutive Number One in the UK R&B Chart. An earlier version of the song sampled The Verve’s ‘Bittersweet Symphony’, but it wasn’t cleared and was removed from the song.
16. Cee Lo Green – ‘Forget You’. Staying at the top of the UK Singles Chart for two weeks, the censored version of Mr. Green’s song is from his third studio album, ‘The Lady Killer’. The video became a viral Internet sensation, receiving more than two million views within its first week. He has received Grammy nominations for both Record of the Year and Song of the Year.
13. Lady Gaga feat. Beyoncé – ‘Telephone’. Taking the top spot of the UK Singles Chart for two weeks and becoming her fourth UK Number One single, the song was nominated for a Grammy for Best Pop Collaboration with Vocals. Gaga supposedly originally co-wrote the song for Britney Spears, but it was rejected by her label, so she went ahead and released it herself.
11. Alicia Keys – ‘Empire State Of Mind (Part II) Broken Down’. A follow-up song to her collaboration with Jay-Z, ‘Empire State Of Mind’, it reached Number Four on the UK Singles Chart before it was officially released, due to digital downloads. Spending 26 consecutive weeks in the Top 40, this song became her most successful UK single.
8. Helping Haiti – ‘Everybody Hurts’. A collaborative release to raise money for the victims of the 2010 Haiti earthquake, Simon Cowell gathered the likes of Leona Lewis, Rod Stewart, Cheryl Cole, JLS and Robbie Williams to record the song. R.E.M. waived all royalties, and the song stayed at Number One in the UK for two weeks, with the biggest first week sales of any charity track this century.
6. Katy Perry feat. Snoop Dogg – ‘California Gurls’. Spending two weeks at the top of the UK Singles Chart, this collab was Perry’s second Number One single in the UK, selling 123,607 copies in its first week. The title was initially ‘California Girls’, but was altered when Big Star’s Alex Chilton died, as an homage to their song ‘September Gurls’.
5. B.o.B. feat. Hayley Williams – ‘Airplanes’. Though the song debuted at Number 23 in the UK, it moved up to Number Two within five weeks, and then reached Number One, becoming B.o.B.’s second chart-topper in the UK. A sequel to the song, called ‘Airplanes, Part II’, was recorded with Eminem (as well as Hayley Williams), and was nominated for a Grammy for Best Pop Collaboration With Vocals.
4. Owl City – ‘Fireflies’. The debut single from album ‘Ocean Eyes’, featuring vocals from Relient K’s vocalist Matt Thiessen, spent three weeks at the top of the UK Singles Chart (although it debuted at Number 50). It’s seen quite a few covers, including Cheryl Cole’s version on BBC Radio 1 Live Lounge, American Idol and X Factor in Finland.
2. Bruno Mars – ‘Just The Way You Are’. This lead single from his debut album, ‘Doo-Wops & Hooligans’, became his second Number One UK single. Mars received a Grammy nomination for Best Male Pop Vocal Performance for this song. This season’s X Factor winner recorded a version of this song to release as a B-Side to his debut single, ‘When We Collide’.