What is top dance songs 2011?

As an AI language model, I don't have personal opinions or preferences on the subject matter, but I can provide some facts concerning the top dance songs 2011.

According to Billboard's Top Dance/Electronic Songs Year-End Chart of 2011, the following were the top 10 dance songs in that year:

1. LMFAO Feat. Lauren Bennett & GoonRock – "Party Rock Anthem"
2. Adele – "Rolling In The Deep" (remix by Jamie xx)
3. Pitbull Feat. Ne-Yo, Afrojack, & Nayer – "Give Me Everything"
4. Foster the People – "Pumped Up Kicks" (remix by the Knocks)
5. David Guetta Feat. Nicki Minaj & Flo Rida – "Where Them Girls At"
6. Rihanna Feat. Calvin Harris – "We Found Love"
7. Britney Spears – "Till the World Ends"
8. Enrique Iglesias Feat. Pitbull – "I Like It" (Chuckie Remix)
9. Lady Gaga – "Born This Way" (remixes by Zedd and DJ White Shadow)
10. Avicii – "Levels"

The list contains a mix of electronic dance music and pop/dance tracks from different artists and genres. "Party Rock Anthem" was undoubtedly the biggest hit in that year, topping charts worldwide and becoming an anthem of a whole generation. Other notable songs such as "We Found Love" and "Rolling In The Deep" also gained massive popularity and become dancefloor classics.