“Who’s That Chick?” Well, sir, that chick is Rihanna – and her collab with superduperproducer David Guetta is perched at the top of this week’s Hot 20 Dance Chart. Benny Benassi? He’s da man — da “Electroman,” to be precise; his collab with T-Pain is feeling no pain, as it sits pretty at number two.

Elsewhere, Inna‘s “Sun Is Up” is up (from eighth place to seventh), but the Taio Cruz/Kylie Minogue joint “Higher” is lower (sinking from fifth place to tenth). Morgan Page‘s “I’ve Had Friends” is losing friends, tumbling all the way from second place to eighth, while the Laidback Luke/Steve Aoki/Lil Jon project is creating some “Turbulence” as it claims 13th spot. And it’s just about time to say goodbye to “Hello,” the Martin Solveig/Dragonette hit, now in 18th place and fading. Check out the full rundown here.

Watch the video for “Who’s That Chick?” by David Guetta featuring Rihanna.

Another week, another Hot 20 Dance Chart. Who’s on top this week? “C’mon,” from Tiesto vs. Diplo featuring Busta Rhymes, unseating last week’s champ “Higher,” from Taio Cruz featuring Kylie Minogue, which free-fell all the way to number five. New contenders this week: Eric Prydz, “Niton (The Reason)” at number 18, and Steve Aoki & Laidback Luke featuring Lil Jon, “Turbulence” at number 16. And keep your eye on “Who’s That Chick?” from David Guetta featuring Rihanna, which jumped all the way from ninth place to number four.

Don’t forget to vote for this week’s LOVE IT OR LOSE IT: Lady Gaga, “Born This Way.”

Watch the video for “C’mon” by Tiesto vs. Diplo featuring Busta Rhymes.