Alia Bhatt has gone from producer to co-star, at least for three and a half minutes.

Prime Video dropped 'Re Bawri' on Thursday, the latest song from Don't Be Shy, and Bhatt appears in the music video itself, sharing screen space with the film's four fresh faces: Aarushi Bajaj, Ansh Duggal, Bianca Arora and Piyush Khati. She produces the film with her sister Shaheen Bhatt under their banner Eternal Sunshine Productions, but here she's just another body on a college campus, mid-dance-break.

The song is composed and produced by Ram Sampath, with lyrics from Saveri Verma and vocals by Sona Mohapatra, presented by T-Series. It starts, per Bollywood Hungama's description, like an ordinary campus day before tipping into an impromptu group dance. That's the whole idea. Overthinking gets shelved, everyone just moves.

Mohapatra called the track "infectious" and "carefree" in a statement, adding that watching Bhatt and the cast shoot it was "such a joy" and that she hopes it gets people up and dancing. Fair enough for a song built entirely around the pleasure of not caring how you look while you do it.

Don't Be Shy centres on Shyamili 'Shy' Das, twenty years old and convinced she's got her whole life mapped out, right up until it isn't. Friendship, crushes, the general mess of growing up, that's the terrain. Sreeti Mukerji has written and directed it, working with a cast that mixes the four newcomers against a bench of familiar names: Kunaal Roy Kapur, Anurag Basu, Neha Dhupia and Anju Alva Naik round out the supporting roles.

Grishma Shah and Vikesh Bhutani of Chalkboard Entertainment co-produce alongside the Bhatt sisters, which puts this squarely in the small but growing pile of coming-of-age projects Alia's been backing off-camera rather than fronting on-screen. Her cameo in the song video is a departure from that pattern, even if it's brief.

The timing isn't accidental. With the film landing on Prime Video on September 25 in Hindi with English subtitles, across India and more than 240 countries and territories, 'Re Bawri' functions as the pre-release mood piece, the song meant to travel on playlists before anyone's watched a frame of the actual story. Whether the newcomers can carry a full feature is still an open question. Whether Bhatt's face in the trailer material moves the needle for a title otherwise fronted by four unknowns, that's the calculation Prime Video and T-Series are clearly betting on.

Nine days out from premiere, expect at least one more promotional beat, maybe a full trailer push or a cast round of interviews, before the film actually streams.