Rap producer Timbaland is holding off competition from Rihanna at the top of the European singles chart for a second week - his collaboration with ONE REPUBLIC, APOLOGIZE, remains the continent's number one song. Rihanna sits at two with Don't Stop The Music, while Alicia Keys climbs a place to three with No One. Meanwhile, Celine Dion's Taking Chances is Europe's most popular album for a second week.