Hailey Bieber turned a nostalgic Coachella moment into something closer to a pop fairy tale on Saturday night, when she quietly stepped aside and urged Billie Eilish to take her place onstage during Justin Bieber's set in California.

According to footage shared online, the singer eases into a medley of his early hits before arriving atOne Less Lonely Girl,the song he has long used to pluck a fan from the crowd and serenade them in front of thousands. This year, the 'fan' was no ordinary festivalgoer, but Billie Eilish, who ended up sitting centre stage while Bieber sang to her as the audience screamed.

Many initially assumed the Eilish appearance had been carefully planned, another choreographed celebrity cameo in a weekend full of them. But a closer look at the backstage footage tells a different story.

In a clip posted by YouTuber and actor Claudia Sulewski,Hailey can be seen beside Billie at the side of the stageas Justin launches intoOne Less Lonely Girl. Hailey appears to be the one expected to walk out for the traditional moment. Instead, she turns to Eilish, hypes her up, and, after a brief back-and-forth, physically nudges her forward, laughing and gesturing towards the stage.

she really had no idea 😭pic.twitter.com/MRBc3sNexx

From there, it snowballs.Billie Eilish stumbles into the spotlight, clearly not dressed or behaving like someone who has rehearsed a glossy cameo, and Justin Bieber carries on with the song, serenading her in the familiar routine. Hailey, now a spectator, is visible in the wings, cheering and filming like everyone else.

the fact that he brought out billie eilish for one less lonely girl and not his wife😭😭pic.twitter.com/vNmtSaVI7W

To recall, Billie Eilish has never hidden her history as a dyed-in-the-wool Belieber. Long before she was winning Grammys and headlining festivals, she was the teenager with Justin Bieber posters papering her bedroom walls. Eilish has repeatedly spoken about how much his music meant to her growing up and the slightly surreal process of later becoming his peer.

billie eilish went from being a literal belieber kid to on stage with justin bieber as one less lonely girl like oh this is CINEMA 😭pic.twitter.com/EZZLJBGKzc

'He's amazing. He's so sweet and, like, I feel – just, honestly, I feel for him, man. He's been through a lot, dude,' she told Ellen DeGeneres in a previous interview, reflecting on meeting Bieber after years of fandom.

Source: International Business Times UK