Radio Top 20 (Updated 3 May) Courtesy CDUniverse

Check out and see who's making the hits in this week's Radio Top 20.

1.	Nothin' On You B.o.B Featuring Bruno Mars From the album: B.O.B Presents: The Adventures Of Bobby Ray
2.	Rude Boy Rihanna From the album: Rated R
3.	Break Your Heart Taio Cruz Featuring Ludacris From the album: Rokstarr
4.	Need You Now Lady Antebellum From the album: Need You Now
5.	Hey, Soul Sister Train From the album: Save Me, San Francisco
6.	OMG Usher Featuring will.i.am From the album: Raymond V. Raymond
7.	In My Head Jason Derulo From the album: Jason Derulo
8.	Your Love Is My Drug Ke$Ha From the album: Animal
9.	Airplanes B.o.B Featuring Hayley Williams From the album: B.O.B Presents: The Adventures Of Bobby Ray
10.	Telephone Lady Gaga Featuring Beyonce From the album: Fame Monster
11.	My Chick Bad Ludacris Featuring Nicki Minaj From the album: Battle Of The Sexes
12.	Young Forever Jay-Z + Mr. Hudson From the album: Blueprint 3
13.	Whataya Want from Me Adam Lambert From the album: For Your Entertainment
14.	Breakeven Script From the album: Script
15.	Imma Be Black Eyed Peas From the album: E.N.D. (Energy Never Dies)
16.	Over Drake From the album: Born Successful, Vol. 2
17.	TiK ToK Ke$Ha From the album: Animal
18.	Say Aah Trey Songz Featuring Fabolous From the album: Ready
19.	Carry Out Timbaland Featuring Justin Timberlake From the album: Shock Value II
20.	Alejandro Lady Gaga From the album: Fame Monster