Katy Perry [1] helped fans in Austria get into the holiday spirit, while Lil Mama [2] helped feed the less fortunate in New York. Nick Jonas [3] went solo at the Grammy nominations concert, Ashlee Simpson [4] made her Broadway debut and Stevie Wonder [5] got props from the U.N. It all happened this week, and we've got the pics to prove it.
SEE THE PHOTOS OF THE WEEK [6] | LAST WEEK'S PHOTOS [7]
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News of the Week: Billboard's 5 Most Popular Stories
1. Vote: The Year and Decade In Music Readers' Poll [9]
2. Susan Boyle Sees 'Dream' Soar To No. 1 On Billboard 200 [10]
3. Beyonce, Taylor Swift, Peas Lead Grammy Award Nominations
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4. 'Empire' Entrenched At No. 1 On Billboard Hot 100
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5. Bruce Springsteen: The Billboard Cover Q&A
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- News [14]
