Back from Malawi, the singer has a girls' night out in London. Plus: Tom & Gisele, Taylor Swift, Faith & Tim and more

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ON THE MEND

Back on his feet after a brief hospitalization last week, Josh Hartnett catches up on a few phone calls while strolling through Santa Monica, Calif., on Sunday. His rep tells PEOPLE, "He's fine," and was under observation for a gastrointestinal problem.