It’s no secret that Chris Evans (34) and Elizabeth Olsen (27) are two of this generation’s hottest young actors. Seeing them fight hand in hand in Captain America: Civil War was a match made in cinema heaven. But are they really dating in real life?

The two appeared in the latest episode of The Ellen Show and it was obvious from the get go that the two have amazing chemistry. Ellen DeGeneres immediately went straight for the kill, asking the Captain America: Civil War stars about their supposed romance.

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“Well we’ve been dating for like secretly for the last three years,” Olsen said jokingly, as quoted by Hollywood Life.  Evans got in on the script as he high-fived her and laughed off the rumour.

“We kept it so secret we didn’t even tell each other,” Chris chimed in as well. Olsen quipped that they’re even planning to move in together and get engaged. The two went on to fake a relationship that almost seemed too real to resist. And Ellen agrees, commenting that they “seem compatible.”

Evans and Olsen have been the subject of dating news for months, starting around the time they were filming the third Captain America film. The duo was once photographed getting cozy on set, with Evans putting his arm around Olsen’s shoulder.

It’s settled now that the two are really not dating. However, they are currently very single. Olsen was previously engaged to actor Boyd Holbrook after ending things in January 2015, Daily Mail reports. She was later rumoured to be dating fellow The Avengers star Tom Hiddleston. On the other hand, Evans was briefly linked to actress Lily Collins.

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But even if they are not a couple, it is clear that Chris Evans and Elizabeth Olsen are good friends. On Ellen, Evans pulled a prank on an unsuspecting Olsen, who ended up screaming and “sweating.” Evans gave Olsen a warm hug, signifying that all is well. Evans also got himself a good scare when a guy wearing an Iron Man suit popped out from under a makeshift table.

They also participated in a “Last Dance” game, after which DeGeneres gave out a check donation for Evan’s charity.

Chris Evans and Elizabeth Olsen both star in Captain America: Civil War, currently in theatres.