Seen on the scene: Meghan Trainor, Annette Bening, Derick Rose

After new music superstar Meghan Trainor’s gig at the House of Blues, the “All About That Bass” singer chilled out at Vertigo Sky Lounge. … Hollywood power couple Annette Bening — who will next be seen with Al Pacino in “Danny Collins” — was spotted Saturday night with her Oscar-winning hubby Warren Beatty at the Farmhouse restaurant in Evanston. … Bulls fans report Derrick Rose was sighted late-night dining at Joe’s Stone Crab on Friday night, part of a small group celebrating a pal’s birthday. … After TNT sideline reporter Craig Sager worked his first game back (Bulls vs. Oklahoma City) after battling leukemia, he was surprised when fellow TNT colleagues showed up for his post-game dinner at Gibsons on Rush. … Laurie Holden (“The Walking Dead,” “Dumb and Dumber To”) was spotted lunching at River North’s Public House, sipping water and munching on a quinoa chopped salad and a side of brussel sprouts.