MICHAEL DOUGLAS is crushing on his Ant-Man and the Wasp co-star MICHELLE PFEIFFER, and it’s threatening his longtime marriage to CATHERINE ZETA-JONES, tattle snitches.
“He’s acting like a lovesick schoolboy,” dishes a source. “He says it’s harmless, but he’s Silly Putty around Michelle. He’s obviously having a late-life crush on her.” Michael, 73, has been drooling over 60-year-old Michelle, married to big-time TV producer DAVID E. KELLEY, saying: “We got on. I had never met her before and it was the first time we had worked together, but she is my kind of lady. She’s great, boom, cool, smart, witty.”
Meanwhile, he and Catherine, 48, who’s busy with her own career, haven’t been seen together since the June 9 graduation of their son, DYLAN, 18, brother of their daughter, CARYS,…