Photos: Star sightings in Chicago

Actor John Cusack cheers as the Cubs face the St. Louis Cardinals in the National League Division Series playoff Oct. 13, 2015 at Wrigley Field.

Former Cub Billy Williams (left) and Pearl Jam singer Eddie Vedder (right) before Game 3 of the Cubs-St. Louis Cardinals National League Division Series playoff series Oct. 12, 2015 at Wrigley Field.

“Chicago Fire” cast members get ready to compete at the first annual Whirly Cruz Cup at WhirlyBall-Chicago Oct. 3, 2015.

“Chicago Fire” co-stars Eamonn Walker (left) and Jesse Spencer (right) at the first annual WhirlyCruz Cup at WhirlyBall Chicago Oct. 3, 2015.

Emily Ratajkowski (left) and Zac Efron (right) attend the Chicago premiere of “We Are Your Friends” at Showplace Icon Theater Aug. 19, 2015.

“Full House” actress Jodie Sweetin at Wizard World at the Donald E. Stephens Convention Center in Rosemont Aug. 22, 2015.

“Vampire Diaries” actor Ian Somerhalder answers attendees’ questions during Wizard World Comic Con at the Donald E. Stephens Convention Center in Rosemont Aug. 22, 2015.

Actor Stephen Amell answers fans’ questions during Wizard World Comic Con at the Donald E. Stephens Convention Center in Rosemont Aug. 22, 2015.

Singer Joe Jonas at The Music Lounge 10 Years party at Renaissance Chicago Downtown Hotel July 31, 2015

Singer/actress Jennifer Hudson performs at the Michigan Avenue Magazine and Art Van Furniture party at Waldorf Astoria July 30, 2015.

TV personality Mario Lopez (left) and wife Courtney Lopez (right) hosted the grand opening party for the Piper and Paxton pop-up shop at Westfield Old Orchard mall July 25, 2015.

Former “Man v. Food” host Adam Richman passes out smoked bacon at Windy City Smokeout’s Sunday Brunch in the parking lot at 560 W. Grand Avenue July 12, 2015.

Actor Adam Scott at Labriola Ristorante June 26, 2015.