Celeb Sightings! See Where Your Favorite Stars Hung Out This Week

Nicky Hilton fueling up a with post-workout smoothie using BELLA Housewares Rocket Extract Pro at SoulCycle Water Mil. Credit: Adriel Reboh for BELLA Housewares

--Nicky Hilton fueling up a with post-workout smoothie using BELLA Housewares Rocket Extract Pro at SoulCycle in Water Mill, N.Y.


--Olivia Wilde, Jason Sudeikis and Carole Radziwill cheering on Bruno Mars at his concert at Madison Square Garden in NYC.


--Jamie Foxx sipping a Bai5 antioxidant drink while playing in a kickball game with Chris Brown and Quincy Combs in L.A.  


--Nina Agdal cooling off with a Keurig iced beverage at the Wildfox Pool Party during Miami's Swim Week.


--Simon Cowell enjoying dinner with girlfriend Lauren Silverman and a group of friends at Red Stixs restaurant in Water Mill, N.Y.


--Leonardo DiCaprio and Kevin Connolly heading to FDR after dinner at Bianca in the Delano Hotel in Miami Beach.


--Drita D'Avanzo and Karina Smirnoff talking Dancing With the Stars and chatting about makeup at the Distortion of Sound Event by Harman in L.A.


--Nastia Liukin checking out Limitedruns.com never before seen images of Marilyn Monroe at the Marilyn: The Lost Photos of a Hollywood Star exhibit in NYC.


--Jacki Weaver enjoying a Purity greyhound cocktail at a Magic in the Moonlight premiere hosted by Sabra at the Linwood Dunn Theater in L.A. 


--Chris Noth enjoying oysters and lobster mac during a business dinner at The Sea Fire Grill in NYC.


--Jenna von Oy enjoying on-site cityMANI manicures at Jill Zarin's Luxury Ladies Luncheon in Southampton, N.Y.


--Mario Lopez cruising around in a Can-Am Spyder motorcycle in Malibu, CA.


--Reeve Carney enjoying the new fresh market brunch with friends at Clement restaurant in The Peninsula Hotel in NYC.


--Maggie Gyllenhaal walking around hand in hand with husband Peter Sarsgaard during the party for his new film Very Good Girls at Tribeca Grand Hotel in NYC.


--James Franco joking around with Rolling Stone Magazine's Peter Travers during a New York Film Critics screening of Child Of God at AMC Theaters in NYC.


--Heidi Klum enjoying a showing of Hedwig And The Angry Itch before Neil Patrick Harris departs the show at the Belasco Theater in NYC.


--Yankee Legend Derek Jeter kicking off Luvo's New York City Food Truck Launch in NYC’s Columbus Circle.