Damon receives his star on the Hollywood Walk of Fame. Plus: Britney Spears, Ashlee & Pete, Josh Duhamel and more
Credit: John Stanton/WireImage
Published: Wednesday Jul 25, 2007 | 05:10 PM EDT
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Continuing her Back to Basics tour, Christina Aguilera gets some sassy backup during the first of two concert performances in Sydney, Australia, on Tuesday.
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