Chart Highlights: Calvin Harris Takes Lead, Nicole Scherzinger Pushes Upward

After spending 8 consecutive weeks atop the list, Swedish House Mafia's "Don't You Worry Child (Radio Edit) [feat. John Martin]" drops 1-3 although still remaining steady in airplay.

The new #1 is "Sweet Nothing (feat. Florence Welch)" by Calvin Harris. After spending 8 consecutive weeks (the longest in history) in the runner-up position, the song vaults 2-1 with a large airplay gain.

Macklemore & Ryan Lewis continue their upward movement shifting 3-2 with instant-hit "Thrift Shop (feat. Wanz)".

Vita Chambers moves 5-4 with debut single"Fix You" fueled by her nomination on Popcrush's "About To Pop" list.

Rihanna's "Diamonds (Shahaf Moran Remix)" slides 4-5, but still keeps her 18 week run in the top 5 intact. 

Olly Murs leaps 12-6 with "Troublemaker (feat. Flo Rida)" to land his first top 10 single and Flo Rida's 2nd best charting single (he peaked at #2 with "Good Feeling" and #8 with "Wild Ones", "I Cry").

Rihanna's "Right Now (feat. David Guetta)" topples 6-7 after previously peaking at # 3 a few weeks ago.

Ivi Adamou holds at #8 with"La La Love". Maroon 5's "Doin' Dirt" also holds at its peak position (#9).

To round out the top 10, Ke$ha's "C'mon" tumbles 7-10 after reaching a new high last week.

Below the top 10, Nicole Scherzinger roars 47-18 (up 29 positions) with "Boomerang" to collect the "Biggest Jump From One Week to the Next" achievement. 

Come back on Sunday to see the full chart