It certainly doesn’t help when Winslet says things like, “Leo, I’m so happy I can stand here and tell you how much I love you and how much I’ve loved you for 13 years,” during a Golden Globes acceptance speech.

Still, the two insist they’re simply great friends.

“He thought she was the most beautiful woman he’d ever seen, and still does.” The Titanic costars first met on set 20 years ago, but now the Divergent star is married to Ned Rocknroll.

Regardless, Winslet, 41, and Di Caprio, 42, have been open about their love for each other — and could be ready to take the next step in their relationship.

Maybe the A-listers are partly to blame, for being such persuasive actors.

Whatever the case, despite 20 years of evidence – including her habit of marrying quirky Brits and his love of 20-something models – hope never dies.

In fact, Leo walked Kate down the aisle during her most recent marriage, to Nick Rockn Roll.

(We told you she likes the quirky ones.) Kate and Leo are hardly the only Hollywood fixtures to get fans longing for wedding bells.Rogers and Astaire first wowed audiences in “Flying Down to Rio” in 1933; their captivating chemistry was so palpable when they danced together, they stole the show from the movie’s leads.The pair went on to make 10 movies together, usually playing chaste love interests (only kissing once ever) who were dazzlingly in step with each other.The two were joined by fellow co-star Billy Zane at the Leonardo Di Caprio Foundation St Tropez Gala in France where they all posed for a photo.Zane later posted the photo on Instagram, writing: “Gang’s back together. Go figure.” Oscar-winner and environmentalist Di Caprio set up the foundation in 1998, dedicating it “to the health and well-being of all Earth's inhabitants, focusing on wildlands and oceans conservation, climate change and indigenous rights.” Proceeds go to Di Caprio's foundation, which offers grants to environmental causes.Bogart’s impressive chemistry with Ingrid Bergman in “Casablanca” was nothing compared with the heat he generated with Lauren Bacall when they first starred together in “To Have and Have Not” in 1944.