Stars around town: Lady Gaga, Bobby Hull, Torrey DeVitto

SEEN ON THE SCENE: Even when she dresses down, fans often spot part-time Chicago resident Lady Gaga — who heads here to join fiance Taylor Kinney. The music superstar and the “Chicago Fire” actor were seen dining at RPM Steak with Paul Blair, best known as DJ White Shadow. …

Look for an upcoming PETA campaign to star “Chicago Med” mainstay Torrey DeVitto. In it, the actress — transformed (somewhat) into a reptilian look — asks “Whose skin are you in?” and encourages fans to “wear fake snake and mock croc” and to “wear vegan.” …

Over at STK Chicago, Chance the Rapper spent Friday night hanging out with his sister and a posse of pals. The Hawks’ Andrew Ladd and Duncan Keith also dined at the steakery Friday night with friends. Their group enjoyed tuna tartare, beef tartare and chopped salad. Keith enjoyed the branzino and Ladd had the ribeye. …

The Blackhawks’ Hall of Fame legend Bobby Hull and former teammate Gerry Pinder dined Saturday night at Harry Caray’s 7th Inning Stretch at Water Tower Place with Pinder’s two sons. After dinner the duo surprised fans across the hall at the Chicago Sports Museum by taking pictures, signing autographs and letting fans try on Hull’s Stanley Cup Championship ring. …

Rap star Warren G dined at Hubbard Inn and raved about the tuna tartare and octopus tacos. He also performed at Parliament Chicago on Saturday with an intimate set, entertaining the crowd with his biggest hits, including his debut hit single, “Regulate,” in which he also paid special tribute to his longtime musical partner, Nate Dogg.