10 Most Fascinating Events

From Britney's engagement to Lance Armstrong's record Tour de France win, take a peek at the people who made summer sizzle. By Serena Kappes

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MOST DRAMATIC SISTER ACT

It's been an eventful summer in the Hilton household. First, Simple Life star Paris, 23, appeared in public July 29 with mysterious bruises on her arms, a week after the demise of her relationship with Backstreet Boy Nick Carter (he denied any involvement). Then, on Aug. 4, the Hollywood Hills home she shares with sister Nicky, 20, was burglarized. On Aug. 11, Paris's prized Chihuahua, Tinkerbell, went missing, only to be recovered a week later. Through it all, the hotel heiress launched a jewelry line, released a book and served as a bridesmaid at Nicky's Aug. 15 Las Vegas wedding to Todd Meister, 33.