Giuliana and Bill Rancic had a date night at the Mercedes-Benz Evolution Tour with headliners Bastille at the Hollywood Palladium. Credit: Getty Images

--Giuliana and Bill Rancic had a date night at the Mercedes-Benz Evolution Tour with headliners Bastille at the Hollywood Palladium.

--Lena Dunham watched boyfriend Jack Antonoff perform with his band Bleachers at a Lollapalooza afterparty at the Hard Rock Hotel in Chicago.

--Charli XCX hung out at the Garrett Popcorn lounge at Nellcote in Chicago.

--Jane’s Addiction frontman and Lollapalooza founder Perry Farrell gave an intimate performance at the Maestro Dobel Tequila Piano Bar for VIP guests of the festival in Chicago.

--Indie rock band Cold War Kids headlined the Lollapalooza afterparty at the refined cocktail bar Celeste in Chicago.

--Kid Cudi checked out Zoe Kravitz’s band Lolawolf at the NYLON Midnight City party presented by UNIQLO at Virgin Hotels in Chicago.

--Metallica's James Hetfield dined with his wife, Francesca, at Chicago Cut Steakhouse the night before the band’s performance in Chicago.

--Brody Jenner performed a DJ set after dining at The Hampton Social during Lollapalooza at Parliament Chicago.

--Kellan Lutz watched his Expendables 3 costar Ronda Rousey's UFC 190 fight win at Rockit Bar & Grill in Chicago.

--Melissa and Joe Gorga dined with executive film producer and restauranteur Franco Porporino at Fresco da Franco in Montclair, N.J.

--Whitney Port’s Glam Squad makeup artist, Nicole Armijo, introduced her to Purlisse in L.A.

--Sarah Silverman had dinner with comedian friend Todd Barry at new vegan restaurant by CHLOE in West Village of NYC.

--Susan Sarandon, who is opening new locations for her her ping-pong club SPiN, unpacked her new Casper mattress at her apartment in NYC.

--Fantastic Four star Michael B. Jordan sported his Miansai bracelet while doing press for the film at Apple Store Soho in NYC.

--DJ Taryn Manning got the party going while her Orange Is the New Black costar Laura Prepondanced and mingled with friends at the FEED + Women’s Health event in Bridgehampton, N.Y.

--Lance Bass and husband Michael Turchin enjoyed a pretzel croissant sandwich and a lobster roll for brunch at Pearl’s Liquor Bar in West Hollywood.

--Lady Gaga modeled her Walter Steiger “Diana” shoes in a photo on Twitter. 

--Walt ‘Clyde’ Frazier and Keith Hernandez showed off their Just For Men Mustache and Beard’s new national TV commercial at the #beardspotting campaign kickoff at Frazier’s Wine & Dine in NYC.

--Christie Brinkley’s son Jack Brinkley-Cook was named the ambassador for Blue & Cream’s new men’s line, BCNY, in NYC.