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Pile on the layers! Mary-Kate Olsen braces herself against the winter chill, hugging a warm drink to her body after leaving her New York City apartment Monday.
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How I Met Your Mother star Alyson Hannigan totes 9-month-old daughter Satyana – and uses her stroller as a shopping cart! – while out in Santa Monica, Calif., Monday.
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SMOKE & MIRRORS
Who's ready for the disco? The ever-fashionable Lady Gaga brings her high style and Monster Ball tour to L.A.'s Nokia Theatre for a glitzy performance Monday night. The singer, who will play two more shows in Los Angeles, wraps the U.S. leg of the tour in New York next month.
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Christina Aguilera and husband Jordan Bratman enjoy each other's company while reportedly scoping out potential schools for 2-year-old son Max Monday in West Hollywood, Calif.
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Reese Witherspoon is serious about her coffee! The actress steps out for a little caffeine and conversation with a friend in Brentwood, Calif., Monday.
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Now that's how to dress for the grocery store! Dita Von Teese keeps it glam while picking up food at Gelson's in L.A. Monday.
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Vanessa Hudgens gets a kick out of her vibrant sneakers during an autograph signing at the Skechers store in Universal City, Calif., Sunday. The actress was promoting her partnership with the shoe company's Ecko Red line.
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LEAN ON ME
What a stylish pair! Katy Perry and boyfriend Russell Brand stick together Monday while shopping in East London.
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Way to multi-task! Renée Zellweger works her phone and balances a tray of hot beverages after making a Starbucks run Monday in Brentwood, Calif.
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Meanwhile, boyfriend Bradley Cooper is on domestic duty: The actor checks a few chores off his to-do list, setting up garbage cans outside his Los Angeles home Monday.