1# Songs By ci-ella Jul 8, 2010 "Nothin' On You" - B.o.B. feat. Bruno Mars This song was first on the charts for 'round a week. Jul 15, 2010 "Alejandro" - Lady Gaga This song was coming first one week later. Jul 22, 2010 "Bittersweet" - Fantasia This song was topping the charts on 22.7.10 Jul 29, 2010 "Bulletproof" - La Roux This is the number one song and was topping the charts on 29.7.10.