(NEW YORK) -- Bruno Mars holds onto the number one spot on the Billboard Hot 100 for a fourth week with his smash hit "Just the Way You Are." The song has sold close to 1.7 million copies since it was released, according to Nielsen Soundscan. But the big news on the chart this week is Taylor Swift, who enters the top 10 with "Speak Now," the title track from her upcoming CD.
Swift is now the artist with the most top-10 single debuts in the history of the Billboard Hot 100. She's had a total of six, breaking the old record of five set by Mariah Carey.
Swift's first top-10 single debut was "Change," back in the summer of 2008.
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