And while Harry, 32, was the one actually performing his hits and songs from his new album Kiss All the Time. Disco, Occasionally, fans online speculated that the Grammy winner's girlfriend was featured in a big way.

As shown in clips posted on X, a woman's voice can be heard in the intro video played on the screens before Harry appeared onstage, with social media users suggesting that the voice belongs to Zoë.

The footage showed the "Golden" singer speaking to an unseen person on the phone while going for a walk. 

"Harry, are you coming out tonight?" a woman's voice asks Harry on the phone. "There's such an amazing party I wanna take you to. The music's gonna be amazing."

Zoë being on hand while Harry officially kicked off his world tour comes amid rumors that the couple quietly got engaged.

Speculation began in April after the Mad Max actress—who was romantically linked to the former One Direction singer months after ending her engagement to Channing Tatum—was spotted wearing a diamond ring on her left ring finger during a London outing with Harry.

And while the pair has yet to address the engagement rumors, Zoë further fueled speculation when she stepped out at the Met Gala earlier this month after her stylist subtly camouflaged her ring with other jewelry.

Although Zoë and Harry—who are notoriously private—will unlikely be commenting on the speculation anytime soon, read on to learn more about their whirlwind romance.