They don't call Madonna the Queen of Pop for nothing.
On Tuesday night, the Cinema Society and Epix hosted the world premiere of Madonna: The MDNA Tour movie in New York City and the icon's very famous friends were all in tow.
Martha Stewart, Watch What Happens Live host Andy Cohen, Debi Mazar and Kelly Osbourne came out to support the star, but her biggest fans were her daughter Lourdes Leon and son Rocco Ritchie – who joined her onstage during the tour.
With Angelina Jolie and Brad Pitt as his parents, it's no surprise Maddox Jolie-Pitt has caught the acting bug.
On Monday, Pitt and the 11-year-old celebrated the U.S. premiere of World War Z – Maddox makes a cameo in his dad's film as a zombie.
After Pitt walked the red carpet, the pair attended the Samsung Galaxy-sponsored after-party at Catch restaurant, a Meatpacking district hotspot.
Megan Fox and Will Arnett were spotted hanging out over the weekend at Beauty & Essex in New York City.
Joined by four other friends, Fox, who wore a distressed, cropped T-shirt over black jeans with pumps, and Arnett "seemed very engrossed in their conversation, which seemed to be a mix of both business and pleasure," an onlooker tells PEOPLE.
Fox and Arnett – who costar in the upcoming Teenage Mutant Ninja Turtles movie – indulged in tuna and lobster tacos, New York pretzels, brick-pressed chicken and burgers.
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Alexander Skarsgard, Ellen Page, Patricia Clarkson and the cast of The East celebrated the film with a dinner at New York's Stanton Social on Monday.
The group of 15 people shared a feast of the restaurant's signature dishes that included red snapper tacos, potato and goat cheese pirogues, smoked duck and baby kale salad, wok charred edamame, beef carpaccio, spicy lamb souvalki, vegan spaghetti squash, shrimp and grits, grilled asparagus and herb dusted frites.
Despite their recent run-in with the law, Reese Witherspoon and husband Jim Toth seemed to be as in love as ever in New York on Tuesday.
The couple stopped into SoHo's C. Wonder but "they came in separately and held hands as they perused the store," an onlooker tells PEOPLE. "When they were in the back of the store, they even snuck in a smooch!"
The Mud actress couldn't hide her smile around Toth and purchased two pairs of sunglasses.
"They seemed to have great chemistry together and while they were checking out, they were hugging and cuddling," the source adds. "They clearly aren't afraid of PDA."
– Mary Margaret
Home is where the heart is, and for Jennifer Aniston and fiancé Justin Theroux, that's New York City.
In town to promote Living Proof hair care products, Aniston and Theroux shared a busy weekend together – hopping from a Broadway show to Sunday brunch.
On Sunday, Aniston, 44, and Theroux, 41, were photographed holding hands as they walked to brunch at Fred's At Barneys New York, a restaurant that serves American and Italian cuisine inside the high-end department store.
Wearing a green jacket and sunglasses, Theroux seemed to be enjoying the sunny May day as Aniston covered up with an oversize hat and sunglasses.
Justin Timberlake brought sexy back – and plenty of A-list wattage – to his sold-out concert at Roseland Ballroom in New York on Sunday night.
Performing songs from his new album The 20/20 Experience during a two-hour show, the pop star was supported by his wife Jessica Biel and pals like Jason Sudeikis, Olivia Wilde, Andy Samberg, Joanna Newsom, Brooke Shields and Uma Thurman.
Biel, dressed in a navy tank top and white pants, had a blast rocking out in the VIP mezzanine area during the show, which was sponsored by MasterCard. "She knew all the words to his songs and was dancing the whole time," an onlooker tells PEOPLE. "She looked very proud."
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