from Paul Grein's ChartWatch blog…
Here's the low-down on the 25 best-selling songs so far in 2011.
1. Adele, "Rolling In The Deep," 5,572,000. This song topped the Hot 100 for seven weeks, beginning in May. It was Adele's first top 10 hit. It's the best-selling song by a British artist in digital history, surpassing Taio Cruz's "Dynamite." It's also the front-runner to win Grammys for Record and Song of the Year. "Rolling In The Deep" sold an additional 108K copies in 2010.
2. LMFAO featuring Lauren Bennett & GoonRock, "Party Rock Anthem," 4,878,000. This is the year's best-selling collabo. The song topped the Hot 100 for six weeks, starting in July. It was LMFAO's first top 10 hit. It also topped the U.K. chart for four weeks.
3. Katy Perry featuring Kanye West, "E.T.," 4,728,000. This song topped the Hot 100 for five weeks in April and May. It was Perry's fifth #1; West's fourth. The song sold an additional 131K copies in 2010.
4. Pitbull featuring Ne-Yo, Afrojack & Nayer, "Give Me Everything," 3,709,000. This vibrant blend of pop and hip-hop reached #1 in both the U.S. and the U.K. It was Pitbull's first #1 in the U.S.; Ne-Yo's second.
5. Maroon 5 featuring Christina Aguilera, "Moves Like Jagger," 3,700,000. This collabo logged four weeks at #1, starting in September. It was Maroon 5's second #1; the fifth for Aguilera.
6. Cee Lo Green, "F**k You (Forget You)," 3,632,000. This smash is the year's best-selling song by a male solo artist. It's also the year's best-selling song that failed to reach #1. (It logged four weeks at #2 in March.) "F**k You" won a Grammy for Best Urban/Alternative Performance and was a finalist for Record and Song of the Year. It sold an additional 1,688,000 copies in 2010. It was that year's #46 song.
7. Foster the People, "Pumped Up Kicks," 3,505,000. This earworm is the year's best-selling song by a group or duo that wasn't listed as part of a collabo. It spent eight straight weeks at #3, starting in September. That was the longest run at #3 for a song that peaked in that spot since LL Cool J's "Hey Lover" in 1995-1996. It was the group's first top 10 hit.
8. Lady Gaga, "Born This Way," 3,395,000. This gay-friendly anthem topped the Hot 100 for six weeks, starting in February. It was Gaga's third (and longest-running) #1 hit.
9. Nicki Minaj, "Super Bass," 3,324,000. This hip-hop smash peaked at #3 for two weeks in August. It was Minaj's second top 10 hit, following Trey Songz' "Bottoms Up," on which she was featured.
10. Adele, "Someone Like You," 3,264,000. In September, this tearjerker became the first recording that consists of just piano and vocal to reach #1 in the 53-year history of the Hot 100. The song spent five weeks at #1 in both the U.S. and the U.K. It was the first song to spend five or more weeks at #1 in both countries since Katy Perry's 2008 smash "I Kissed A Girl."
11. Jennifer Lopez featuring Pitbull, "On The Floor," 3,244,000. J.Lo's comeback smash reached #3 in May. It was her 10th top 10 hit; her highest-charting hit since "All I Have" (featuring LL Cool J) reached #1 in 2003.
12. Chris Brown featuring Lil Wayne & Busta Rhymes, "Look At Me Now," 3,051,000. This collabo reached #6 in April. It was Brown's 10th top 10 hit; his highest-charting hit since "Forever" three years ago. It topped the Hot R&B/Hip-Hop Songs chart for eight weeks.
13. Rihanna, "S&M," 3,005,000. This frisky song hit #1 in April, thanks to an assist from Britney Spears. It was Rihanna's 10th song to reach #1. Rihanna, who is just 23, is one of a select group of artists ever to amass 10 #1 hits at such a young age. (The others: Elvis Presley, two of the Beatles and all three Supremes.)
14. The Black Eyed Peas, "Just Can't Get Enough," 2,898,000. This piece of catchy radio fodder reached #3 in April. It was the group's 10th top 10 hit; its highest-charting hit since its 2009 blockbuster "I Gotta Feeling."
15. Katy Perry, "Firework," 2,770,000. This firecracker of a hit topped the Hot 100 for four weeks in December and January. It was her fourth #1. It won a VMA Award as Video of the Year and is a Grammy finalist for Record of the Year. "Firework" sold an additional 2,332,000 copies in 2010. It was that year's #28 song. (If its sales hadn't been split between two years, it would have ranked #2.)
16. Bruno Mars, "The Lazy Song," 2,733,000. This laid-back ditty reached #4 in June. It was Mars' fifth top five hit.
17. Bruno Mars, "Grenade," 2,676,000. This song topped the Hot 100 for four weeks in December and January. The song, darker in tone than Mars' previous hits, was his third #1. It also topped the U.K. chart for two weeks. It is nominated for Grammys for Record and Song of the Year. "Grenade" sold an additional 2,061,000 copies in 2010. It was that year's #36 song.
18. Ke$ha, "Blow," 2,606,000. This pop-dance smash reached #7 in March, becoming Ke$ha's seventh top 10 hit. It was her follow-up to the chart-topping "We R Who We R."
19. Katy Perry, "Last Friday Night (T.G.I.F.)," 2,579,000. This song hit #1 in August, making Perry's Teenage Dream only second album in history (following Michael Jackson's Bad) to generate five #1 hits.
20. Lupe Fiasco, "The Show Goes On," 2,559,000. This zesty song reached #9 in May, becoming Lupe Fiasco's second top 10 hit and his highest-charting hit to date. The song sold an additional 189K copies in 2010.
21. Pink, "F**kin' Perfect," 2,457,000. This was the year's second-biggest hit with the "F word" in its title. The song, Pink's follow-up to the chart-topping "Raise Your Glass," reached #2 in January. It was her 11th top 10 hit.
22. Britney Spears, "Till The World Ends," 2,439,000. This song, Spears' follow-up to the chart-topping "Hold It Against Me," reached #3 in May. It was her 10th top 10 hit.
23. Jason Aldean, "Dirt Road Anthem," 2,400,000. This is the year's best-selling country song. It's the only song by a male country solo artist to top the 2 million mark in digital history. It reached #7 in June, becoming Aldean's first top 10 hit.
24. LMFAO, "Sexy And I Know It," 2,399,000. LMFAO proved they were more than one-hit wonders when this novelty song reached #2 in November. It stayed in the runner-up slot for five straight weeks, the longest run for a #2-peaking song since Lady Gaga's "Bad Romance" was runner-up for seven weeks.
25. Hot Chelle Rae, "Tonight Tonight," 2,372,000. This energetic blend of power pop and bubblegum reached #7 in July. It was the group's first top 10 hit.