<http://schema.org/articleBody>
"Katy Perry has topped the Billboard Hot 100 with &amp;#039;Part of Me&amp;#039;. The result marks the 20th song in the chart&amp;#039;s history to enter in pole position, as well as the singer&amp;#039;s seventh number one on the tally since her debut &amp;#039;I Kissed A Girl&amp;#039; hit the top in 2008.  Meanwhile, Whitney Houston leaps seven to three with &amp;#039;I Will Always Love You&amp;#039;, Adele&amp;#039;s &amp;#039;Rolling in the Deep&amp;#039; rebounds 17 to five following her Grammys performance and &amp;#039;Someone Like You&amp;#039; lifts from 11 to seven.  Elsewhere, Nicki Minaj debuts at nine with &amp;#039;Starships&amp;#039;, and Chris Brown lands at ten with &amp;#039;Turn Up The Music&amp;#039;.  Further down the chart, Selena Gomez reaches a new peak with &amp;#039;Love You Like A Love Song&amp;#039;, which rises from 30 to 22, and One Direction&amp;#039;s &amp;#039;What Makes You Beautiful&amp;#039; starts at number 28.  Bruno Mars enters at 50 with &amp;#039;Runaway Baby&amp;#039;, Adele&amp;#039;s &amp;#039;Rumour Has It&amp;#039; re-enters at 67, and David Guetta, Chris Brown and Lil Wayne&amp;#039;s &amp;#039;I Can Only Imagine&amp;#039; is at 90.  The Top 10 singles in full (click where possible for our reviews): 1. (*) Katy Perry: &amp;#039;Part of Me&amp;#039; 2. (2) Adele: &amp;#039;Set Fire to the Rain&amp;#039; 3. (7) Whitney Houston: &amp;#039;I Will Always Love You&amp;#039; 4. (1) Kelly Clarkson: &amp;#039;Stronger&amp;#039; 5. (17) Adele: &amp;#039;Rolling in the Deep&amp;#039; 6. (3) fun. ft. Janelle Monae: &amp;#039;We Are Young&amp;#039; 7. (11) Adele: &amp;#039;Someone Like You&amp;#039; 8. (6) Rihanna ft. Calvin Harris: &amp;#039;We Found Love&amp;#039; 9. (*) Nicki Minaj: &amp;#039;Starships&amp;#039; 10. (*) Chris Brown: &amp;#039;Turn Up The Music&amp;#039;  Listen to Katy Perry&amp;#039;s &amp;#039;Part of Me&amp;#039; below:       "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/music/us-billboard-chart/news/a367491/katy-perry-scores-seventh-us-number-one-single/>