There are alot but at this very second the top 5 are:
1. On the floor- Jennifer Lopez
2. Born this Way- Lady Gaga
3. Till the World Ends- Britney Spears
4. S&M- Rihanna
5. Blow- Ke$ha
I'm not sure, but Rolling in the Deep was the most successful single of the year, according to Billboard.com
I'm not too sure about this one, but I'm pretty sure it is either Katy Perry's Firework, or Adele's Rolling In The Deep.
The number one song on January 1, 2011 was "Firework" by Katy Perry.
rolling in the deep by adele
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The Lennon Sisters Same Song Separate Voices - 2011 TV was released on: USA: 26 November 2011
top gun
Save the World - song - was created on 2011-05-13.
Toes - Lights song - was created on 2011-08-16.
"Love On Top"
at the 2011 MTV awards BEYONCE sang a song from her fourth studio album "4". The song is called "love on top".
Todd's Pop Song Reviews - 2009 The Top Ten Best Hit Songs of 2011 - 3.4 was released on: USA: 21 January 2012
Sarina's Song - 2011 was released on: USA: 2011
On Top - song - was created in 2009.
To The Top - song - was created in 1992.
Himalaya Song - 2011 was released on: USA: January 2011
in 2011 in 2011 in 2011
Nicki Minaj's Top Song Has To Be Starships. No Doubt.
Song of Relations - 2011 was released on: USA: 16 September 2011
Dein Song 2011 - 2011 V is rated/received certificates of: Germany:o.Al.
My Song - 2011 is rated/received certificates of: Sweden:Btl