Mediabase Chart

Mediabase:
1- Rude boy - Rihanna
2- In my head - Jason DeRulo
3- Hey, Soul sister - train
4- Nothing on you - B.O.B. ft Bruno Mars
5- Break your heart - Taio Cruz ft Ludacris
6- Need you now - Lady Antebellum
7- Telephone - Lady Gaga
8- Breakeven - The Script
9- Carry out - Timbaland ft Justin Timberlake
10- Your love is my drug - Ke$ha

World Singles Chart:
1- Telephone - Lady Gaga ft Beyonce
2- Rude boy - Rihanna
3- Hey, Soul Sister - Train
4- Nothing on you - B.O.B. ft Bruno Mars
5- OMG - Usher ft Will I Am
6- Break your heart - taio Cruz ft Ludacris
7- In my head - Jason DeRulo
8- Tik Tok - Ke$ha
9- Baby - Justin Bieber ft Ludacris
10- Bad romance - Lady Gaga

source: mr-oblivion