40. Rihanna - "Rude Boy"
Courtesy Def Jam
39. Selena Gomez and the Scene - "A Year Without Rain"
Courtesy Hollywood Records
Demonstrating her maturation as an artist, "A Year Without Rain" is an elegant dance ballad by Selena Gomez and her band the Scene. It became a top 40 hit on both pop and dance charts.
38. Michael Buble - "Haven't Met You Yet"
Courtesy Reprise
Michael Buble successfully brought his sophisticated adult pop to the mainstream for the first time with the thoroughly charming "Haven't Met You Yet." It became his first top 40 pop hit after a string of bestselling albums.
37. Mariah Carey - "Oh Santa!"
Courtesy Island Records
In the spirit of her perennial holiday hit "All I Want For Christmas Is You" Mariah Carey released her second holiday album Merry Christmas II You. The lead single is a bubbly uptempo song borrowing the spirit of Motown and Phil Spector holiday classics.
36. Duck Sauce - "Barbra Streisand"
Courtesy All Around the World
This hit from the DJ partnership known as Duck Sauce samples Boney M's song "Gotta Go Home." The song hearkens back to classic disco with the utterance of "Barbra Streisand" as the only actual words that appear among the lyrics.
35. Pink - "Raise Your Glass"
Courtesy LaFace
Pink promotes her greatest hits collection with this celebration of the underdog that does seem to sum up the attitude of many of her top tracks of the past. Max Martin collaborated and helped bring Pink her second #1 pop hit single.
34. Robyn - "Indestructible"
Courtesy Cherry Tree
Robyn says that this dance pop hit is about things being both scary and fun when you meet someone new and fall in love. It is intelligent and irresistibly catch pop that Robyn does particularly well.
33. Sade - "Soldier Of Love"
Courtesy Sade
Nearly 10 years after their last appearance on the Billboard Hot 100, Sade returned with this spare, elegant, heartbreaking song. It went clear to #1 on the jazz chart while crossing over into R&B and pop.
32. Katy Perry featuring Snoop Dogg - "California Gurls"
Courtesy Capitol Records
With the release of "California Gurls," Katy Perry announced confidently that, "Summer begins here!" It did and this delectably sweet perky pop song dominated the charts in the summer of 2010.
31. Mike Posner - "Cooler Than Me"
Courtesy J Records
Mike Posner's charming blend of pop and hip hop was an anomaly on this past summer's Warped Tour, but it helped insure a wide audience for his pop debut.
