PARIS, May 17 -- Cannes was buzzing with glamour and drama at the premiere of Ari Aster's latest horror western Eddington - but the real headline wasn't the film.

It was Emma Stone's unexpected showdown with a persistent bee that stole the red-carpet spotlight.

The 36-year-old star was dazzling in a custom white Louis Vuitton gown, complete with a dramatic bib collar and sleek red hair pulled back in a chic bun.

But all that elegance almost went sideways when an uninvited insect decided to crash the photo op.

Caught mid-smile alongside co-stars Joaquin Phoenix, Austin Butler, Pedro Pascal and director Ari Aster, Stone found herself in a buzzing battle.

The bee darted aggressively around her, turning the glamorous moment into an impro...