1 1 Lady GaGa "Paparazzi"
4 2 Jason Derülo "Whatcha Say"
3 3 Jay Sean "Down (Feat. Lil Wayne)"
2 4 Miley Cyrus "Party In The U.S.A."
5 5 Beyoncé "Sweet Dreams"
9 6 Britney Spears "3"
8 7 Kelly Clarkson "Already Gone"
11 8 Owl City "Fireflies"
6 9 Kings of Leon "Use Somebody"
7 10 Taylor Swift "You Belong With Me"

12 11 The Black Eyed Peas "meet me halfway"
14 12 Iyaz "Replay"
10 13 Jay-Z "Run This Town (Feat. Rihanna and Kanye West)"
16 14 Justin Bieber "One Time"
13 15 Boys Like Girls "Love Drunk"
15 16 The Black Eyed Peas "I Gotta Feeling"
19 17 David Guetta "Sexy Chick (feat. Akon)"
17 18 Colbie Caillat "Fallin' For You"
21 19 Cascada "Evacuate The Dancefloor"
25 20 Lady GaGa "Bad Romance"

23 21 Rihanna "Russian Roulette"
22 22 P!nk "Funhouse"
26 23 Ke$ha "TiK ToK"
24 24 Jesse McCartney "Body Language (Remix) (feat. T-Pain)"
18 25 Mariah Carey "Obsessed"
29 26 Jay-Z "Empire State of Mind (feat. Alicia Keys)"
28 27 Shinedown "If You Only Knew"
34 28 Boys Like Girls "Two Is Better Than One (feat. Taylor Swift)"
27 29 Pitbull "Hotel Room Service"
38 30 Shakira "Give It Up To Me (Feat. Lil Wayne)"

35 31 Jordin Sparks "S.O.S. (Let The Music Play)"
32 32 Leona Lewis "Happy"
36 33 Priscilla Renea "Dollhouse"
30 34 Michael Franti & Spearhead "Say Hey (I Love You) (feat. Cherine Anderson)"
33 35 Drake "Best I Ever Had"
39 36 Nickelback "Never Gonna Be Alone"
43 37 We The Kings "Heaven Can Wait"
42 38 Kris Allen "Live Like We're Dying"
31 39 3OH!3 "Starstrukk (Remix) (feat. Katy Perry)"
41 40 Hey Monday "How You Love Me Now"

NEW 41 Taylor Swift "Fifteen"
45 42 Drake "Forever (feat. Kanye West, Lil Wayne, and Eminem)"
40 43 LMFAO "La La La (On Top of the World)"
44 44 Jessie James "I Look So Good (Without You)"
50 45 Timbaland "Morning After Dark (feat. SoShy and Nelly Furtado)"
47 46 OneRepublic "All The Right Moves"
NEW 47 Jay Sean "Do You Remember (feat. Sean Paul and Lil Jon)"
48 48 The Script "Breakeven"
49 49 Creed "Rain"
NEW 50 Chris Brown "I Can Transform Ya (feat. Lil Wayne and Swizz Beatz)"

Bubbling Under
2 1 Down With Webster "Rich Girl$"
4 2 Cobra Starship "Hot Mess"
NEW 3 ORIANTHI "According To You"
14 4 Justin Bieber "One Less Lonely Girl"
OC 5 Three 6 Mafia "Shake My (Feat. Kalenna)"
13 6 Leighton Meester "Somebody to Love (feat. Robin Thicke)"
8 7 Chamillionaire "Good Morning"
1 8 Mario "Break Up (Feat. Sean Garrett and Gucci Mane)"
10 9 Muse "Uprising"
9 10 Uncle Kracker "Smile"
7 11 Alicia Keys "Doesn't Mean Anything"
15 12 Jason Castro "Let's Just Fall In Love Again"
18 13 John Mayer "Who Says"
NEW 14 Snoop Dogg "Gangsta Luv (feat.The-Dream)"
20 15 Kings of Leon "Use Somebody"
12 16 Kaci Battaglia "Crazy Possessive"
11 17 Bridman "Written On Her (Feat. Jay Sean)"
RE 18 Pop Evil "100 In A 55"
16 19 Cage the Elephant "Ain't No Rest For The Wicked"
NEW 20 Shwayze "Get U Home (feat. Cisco Adler)"

Going Recurrent This Week
Cobra Starship "Good Girls Go Bad (feat. Leighton Meester)"

Getting Purged This Week
Flo Rida "Be on You (feat. Ne-Yo)"


Key:
NEW - The song is a debut on that particular chart.
OC - The song was on the official top 50 last week, but fell into the bubbling under and has never been inside the top 40.
Recurrent - The song was taken off the chart after spending 20 weeks inside the top 40.
Purge - A song that has reached the top 40, but fell too far to get back into the top 40 and was taken off the chart with the recurrents.
RE - Re-entry