SEEN ON THE SCENE: Fans of Oscar winner Jessica Lange — famed of late for her star turns on “American Horror Story” — caught their breath when the actress sashayed into RL for lunch on Monday. … Speaking of Ralph Lauren’s Chicago Avenue-based eatery, that was the dinner spot of choice for Sen. John McCain Sunday night. … Chicagoan Mary Lu Roffe, a three-time Tony Award winner, has had a great week. Her latest show, the Broadway revival of the late Wendy Wasserstein’s “The Heidi Chronicles,” starring Elisabeth Moss and Jason Biggs, has opened to rave reviews — plus the North Shore native just got inducted into her alma mater New Trier High School’s Hall of Fame. … “Empire” star Terrence Howard — Lucious Lyon himself! — was spotted dining at Osteria La Madia in River North on Sunday. … While in town, lifestyle pro and former “The Hills” star Lauren Conrad was seen lunching at Bar Toma on Pearson Street, just off Boul Mich. … Nearby, actor Paul Sorvino and his wife, political strategist/TV commentator Dee Dee Benkie, were spotted enjoying a gourmet spread at Spiaggia. … Top NFL prospect and Heisman Trophy winner Jameis Winston (slated to be drafted by Tampa Bay) was seen digging into a deep-dish pizza at the Giordano’s Gold Coast location on Rush Street. … There was a lot of excitement down in Arizona Monday, as a celebrity White Sox fan — country music star Luke Bryan — dropped by a little batting practice. To check it out, go to the Sox social media pages on Facebook, Instagram and Twitter.