Hits 1 didn't actually do a year end list for 2011 for some reason, so I just used the top 45 songs from the 2011 ultimate rank, which you can see here: https://zestpond.blogspot.com/p/2011-ultimate-rank.html
45: LMFAO - Sexy And I Know It
44: Christina Perri - Jar of Hearts
43: Patrick Stump/Lupe Fiasco - This City
42: Jason Aldean/Kelly Clarkson - Don't You Wanna Stay
41: David Guetta/Usher - Without You
40: Hot Chelle Rae/New Boyz - I Like It Like That
39: Selena Gomez & The Scene - Love You Like a Love Song
38: Bad Meets Evil/Bruno Mars - Lighters
37: The Band Perry - If I Die Young
36: The Script - Nothing
35: Pitbull/T-Pain - Hey Baby (Drop It to the Floor)
34: Nicki Minaj - Super Bass
33: The Cab - Bad
32: Bruno Mars - The Lazy Song
31: Black Eyed Peas - Just Can't Get Enough
30: Lady Gaga - The Edge of Glory
29: Rihanna - S&M
28: The Script - For The First Time
27: Avril Lavigne - What the Hell
26: My Chemical Romance - Sing
25: Ke$ha - We R Who We R
24: Adele - Someone Like You
23: P!nk - Perfect
22: Usher - More (RedOne Remix)
21: Tinie Tempah/Eric Turner - Written In The Stars
20: Nelly - Just a Dream
19: Breathe Carolina - Blackout
18: P!nk - Raise Your Glass
17: Bruno Mars - Grenade
16: Ke$ha - Blow
15: CeeLo Green - Forget You
14: Foster the People - Pumped Up Kicks
13: Lady Gaga - Born This Way
12: Gym Class Heroes/Adam Levine - Stereo Hearts
11: Maroon 5/Christina Aguilera - Moves Like Jagger
10: Pitbull/Ne-Yo/Afrojack/Nayer - Give Me Everything
9: Cobra Starship/Sabi - You Make Me Feel...
8: Katy Perry/Kanye West - E.T.
7: Good Life - OneRepublic
6: Hot Chelle Rae - Tonight Tonight
5: Katy Perry - Firework
4: LMFAO/Lauren Bennett/GoonRock - Party Rock Anthem
3: JTX - Love In America
2: Adele - Rolling in the Deep
1: Katy Perry - Last Friday Night (T.G.I.F.)