Christina Aguilera and Max, 3, Meet Shrek!

 Kate Egan

— Christina Aguilera and son Max visiting Shrek in his dressing room at the Pantages Theatre in L.A.

— Jeremy Piven shopping at the Madison Avenue Domenico Vacca boutique in NYC.

Real Housewives of New York's Jill Zarin picking up several Phillip Lim pieces of clothing at Edit boutique in Southampton, NY.

Jay-Z and Sean Combs cheering on a break-dancer at NYC's Gansevoort Park Hotel's rooftop bar, Red Room, while Sam Ronson DJ'ed.

Justin Bieber picking up a birthday gift for girlfriend Selena Gomez at ESPN The Magazine ESPY Style Studio in L.A.

Jamie Foxx flying Bluestar Jets to France before celebrating the opening of Pool Beach in St. Tropez with his daughter Corinne Bishop.

Zac Efron drinking a Grey Goose saketini at Sunda restaurant in Chicago.

Danny Masterson enjoying a Hangar One vodka cocktail at the Hangar One Blimp Tour Party at Navy Beach in Montauk, NY.

Elisabeth Rohm and her daughter Easton hosting a Juicy Couture trunk show to benefit the Boys & Girls Club in Malibu.

Idris Elba dancing to Aloe’s latest single "Tonight Downtown" at the Tonight We Tanqueray launch event in Brooklyn, NY.

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