Celebrity Star Tracks: Tuesday, April 21, 2015 From Hollywood to New York and everywhere in between, see what your favorite stars are up to! By People Staff Updated on January 20, 2022 07:27PM EST Share Tweet Pin Email Trending Videos 01 of 26 SECOND TIME AROUND David Buchan/Getty Mom-to-be (again!) Ashlee Simpson and her husband, Evan Ross, attend a special screening of Just Before I Go in Hollywood on Monday. 02 of 26 FRIENDS FOREVER Angela Weiss/Getty Friends on-screen and IRL Courteney Cox and Jennifer Aniston also get together at the Just Before I Go screening (Cox directed) on Monday. 03 of 26 IN HER HONOR Bryan Bedder/Getty At Monday's Performance Space 122 2015 Spring Gala in N.Y.C. honoring Claire Danes, the woman of the hour speaks on stage. 04 of 26 WHAT WHAT? Douglas Gorenstein/NBC LL Cool J and Jimmy Fallon goof off at a Monday taping of The Tonight Show in New York City. 05 of 26 #FRIENDSHIPGOALS Gustavo Caballero/Getty Fresh off their ACM Awards presenting gig, Hot Pursuit stars Reese Witherspoon and Sofia Vergara keep the good times rolling Monday, surprising fans at a Miami screening of their new film. 06 of 26 FUNNY GIRL Patricia Schlein/Star Max/GC Images Comedian Amy Schumer is sleek and svelte in a black dress and metallic heels on the way into the Late Show with David Letterman in N.Y.C. on Monday. 07 of 26 NOTHING BUT LOVE Walter McBride/Getty Jerry O'Connell plants on one wife Rebecca Romijn at Monday's opening-night performance of his musical Living on Love on Broadway. 08 of 26 CHIEF OF LAUGHS Walter McBride/Getty Also there: costar Anna Chlumsky, who goofs off outside the after-party at Sardi's restaurant in N.Y.C. on Monday. 09 of 26 ROCK IT OUT Bauer-Griffin/GC Images He's played a boxer on-screen, but Sylvester Stallone has muscle in real life, too! The Rocky actor shows off his guns while out in Beverly Hills on Monday. 10 of 26 THE CREW John Shearer/Invision/AP The Walking Dead's Melissa McBride, Andrew Lincoln and Norman Reedus wrap their arms around each other at the show's ATAS FYC event on Monday in L.A. 11 of 26 MAN'S BEST FRIEND Bauer-Griffin/GC Images Jake Gyllenhaal takes Atticus, his German Shepard, for a walk in L.A. on Monday. 12 of 26 EXTRAORDINARY LIFE Noel Vasquez/Getty Sarah Hyland and Extra host Mario Lopez share a laugh during the Modern Family star's appearance on the show at Universal Studios Hollywood on Monday. 13 of 26 ON THE HUNT FameFlynet Chris Hemsworth strikes an imposing pose on the U.K. set of his upcoming film The Huntsman (a prequel to 2012's Snow White and the Huntsman) on Monday. 14 of 26 READING WITH THE STARS Joey Andrew/StarTraks All that dancing is hard work! Rumer Willis takes a break from DWTS rehearsals to read a book by the pool in L.A. on Monday. 15 of 26 PEACE & LOVE Ramey Sharon Stone spreads the love while running errands on Monday in Beverly Hills. 16 of 26 THE CLASH ACE/INF Cobie Smulders makes mixing prints look easy in head-to-toe Chanel at the Tribeca Film Festival Chanel Artists Dinner in N.Y.C. on Monday. 17 of 26 THROWING SHADE(S) Splash News Online Michael B. Jordan flashes his signature smile on his way into the Jimmy Kimmel Live studios in Hollywood on Monday. 18 of 26 EVENT ESSENTIALS Earl Gibson III/Getty Renée Zellweger brings boyfriend Doyle Bramhall as her date to Monday night's One Starry Night: From Broadway to Hollywood event for the ALS Foundation at the Pasadena Playhouse. 19 of 26 SINGER IN THE RAIN Raymond Hall/GC Images Rita Ora stays dry while walking through the drizzle in N.Y.C.'s SoHo neighborhood on Monday. 20 of 26 GAL PALS Ian Gavan/Getty Actresses Maisie Williams and Florence Pugh are joined at the hip at the gala screening of their film The Falling in London on Monday. 21 of 26 ON THE RUN FameFlynet You can do it, Uzo! Orange Is the New Black's Aduba keeps it moving on Monday while running the Boston Marathon. "That's where I grew up, where I learned what a marathon even was," she told PEOPLE of returning to her hometown of Boston. "To be a part of it, it feels particularly special." 22 of 26 AT FIRST BLUSH FameFlynet New mom Hayden Panettiere brightens up a rainy Monday in head-to-toe pink while visiting Good Morning America in N.Y.C. 23 of 26 MASTER OF DISGUISE AKM-GSI Tom Hardy, is that you? The nearly unrecognizable Mad Max: Fury Road actor walks through London's Heathrow airport on Monday. 24 of 26 CUTE IN CORAL Splash News Online Walking the red carpet in a pleated dress, Salma Hayek poses for pictures Monday at the Woman Magazine Awards in Madrid, Spain. 25 of 26 TAKE A 'CHANCE' Susan Waters/StarTraks Olivia Munn leaves Lemonade restaurant in L.A. – with, you guessed it, lemonade! – and takes her dog, Chance, for a walk on Monday. 26 of 26 STRING THEORY INF Arrow actress Katie Cassidy catches some rays on Monday in a funky mismatched bikini while strolling on a Miami beach.