NEW YORK, May 27 (UPI) -- "OMG" by Usher featuring Black Eyed Peas' will.i.am, remained atop the Billboard's Hot 100 chart of U.S. singles, Billboard.com reported Thursday.
"Airplanes" by B.o.B. featuring Hayley Williams and "California Gurls" by Katy Perry featuring Snoop Dogg swapped spots, with "Airplanes" occupying the second slot and "California Gurls" in third.