Countdown Contenders:
45- 311 "Time Bomb"
44- Pitbull f/ Shakira "Get It Started"
43- Will.I.Am. f/ Eva Simons "This Is Love"
42- Chris Brown "Don't Wake Me Up"
41- Conor Maynard "Vegas Girl"
28 40- All-American Rejects "Walk Over Me"
40 39- Smash Mouth "Magic"
38 38- Megan & Liz "Are You Happy Now?"
26 37- Rita Ora "How We Do (Party)"
37 36- Tyga f/ Lil' Wayne "Faded"
35 35- Sammy Adams "Only One"
16 34- Stefano f/ New Boyz & Rock Mafia "I'm On A Roll"
33 33- Eric Church "Springsteen"
34 32- Hunter Hayes "Wanted"
36 31- Little Big Town "Pontoon"
31 30- Luke Bryan "Drunk On You"
39 29- Regina Spektor "Don't Leave Me (Ne Me Quitte Pas)"
30 28- Alex Clare "Too Close"
18 27- Nicki Minaj "Starships"
14 26- Maroon 5 f/ Wiz Khalifa "Payphone"
29 25- Kelly Clarkson "Dark Side"
25 24- Sean Kingston f/ T.I. "Back 2 Life (Live It Up)"
27 23- The Wanted "Heart Vacancy"
24 22- Karmin "I Told You So"
21 21- Usher "Scream"
22 20- Lawson "When She Was Mine"
07 19- Rudimental f/ John Newman "Feel The Love"
20 18- Carrie Underwood "Good Girl"
19 17- Dierks Bentley "5-1-5-0"
17 16- The Wanted "Chasing The Sun"
08 15- Flo Rida "Whistle"
23 14- Coldplay & Rihanna "Princess Of China"
15 13- David Guetta f/ Sia "Titanium"
NE 12- P!nk "Blow Me (One Last Kiss)"
13 11- Matchbox Twenty "She's So Mean"
12 10- Katy Perry "Wide Awake"
06 09- Rihanna "Where Have You Been"
10 08- Gym Class Heroes f/ Ryan Tedder "The Fighter"
11 07- The Wanted "Gold Forever"
09 06- Fun. "Some Nights"
03 05- Conor Maynard "Can't Say No"
05 04- Graffiti6 "Free"
04 03- Ellie Goulding "Lights"
02 02- Owl City & Carly Rae Jepsen "Good Time"
01 01- Olly Murs "Dance With Me Tonight"