Perry gives a sexy over-the-shoulder glance before performing in London. Plus: Lady Gaga, Ashlee, Pete & Bronx, Zac Efron and more


Ashlee Simpson-Wentz and husband Pete Wentz let their little budding star, 6-month-old son Bronx, try his hand at T-shirt making at the 20th annual A Time for Heroes Celebrity Carnival in Los Angeles on Sunday. The event, which raises money for the Elizabeth Glaser Pediatric AIDS Foundation, also brought out Miley Cyrus, Heidi Klum, Seal and Melissa Joan Hart.

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