Radio Top 20 (Updated March 29) Courtesy CDUniverse

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

1.	Rude Boy Rihanna From the album: Rated R
2.	Nothin' On You B.o.B Featuring Bruno Mars From the album: Nothin' On You [feat. Bruno Mars]
3.	Telephone Lady Gaga Featuring Beyonce From the album: Fame Monster
4.	Need You Now Lady Antebellum From the album: Need You Now
5.	Break Your Heart Taio Cruz Featuring Ludacris From the album: Rokstarr
6.	Imma Be Black Eyed Peas From the album: E.N.D. (Energy Never Dies)
7.	Hey, Soul Sister Train From the album: Save Me, San Francisco
8.	Bedrock Young Money Featuring Lloyd From the album: We Are Young Money
9.	TiK ToK Ke$Ha From the album: Animal
10.	Baby Justin Bieber Featuring Ludacris From the album: My World 2.0
11.	Carry Out Timbaland Featuring Justin Timberlake From the album: Shock Value II
12.	In My Head Jason Derulo From the album: Jason Derulo
13.	Say Aah Trey Songz Featuring Fabolous From the album: Ready
14.	Bad Romance Lady Gaga From the album: Fame Monster
15.	Blah Blah Blah Ke$ha Featuring 3OH!3 From the album: Animal
16.	How Low Ludacris From the album: Battle Of The Sexes
17.	Over Drake From the album: Over
18.	Breakeven Script From the album: Script
19.	According To You Orianthi From the album: Believe
20.	All The Right Moves OneRepublic From the album: Waking Up