Sydney Sweeney wows in bridal white gown with a sizzling slit and thigh-high lace boots as she attends Immaculate premiere at SXSW Film Festival

Sydney Sweeney looked stunning in a wedding white gown as she came for the premiere of her film Immaculate at the South by Southwest Film Festival on Tuesday.

Sydney Sweeney stunned in a bridal white gown as she arrived to the world premiere of her film Immaculate, during the South by Southwest Film Festival on Tuesday

The 26-year-old Madame Web star was the center of attention as she walked the red carpet at the Paramount Theatre in the exquisite off-the-shoulder outfit.

The Madame Web star, 26, had all eyes on her as she walked the red carpet at the Paramount Theatre in the delicate off-shoulder dress

The gown had a scorching side cut that displayed her thigh-high white lace boots beneath.

The gown featured a sizzling side slit that revealed her thigh-high white lace boots underneath

The blonde hottie also wore Octavia Elizabeth earrings and Jennifer Meyer rings to complement her short new bob hairdo.

The blonde bombshell also rocked her short new bob haircut, and accessorized with earrings by Octavia Elizabeth and rings by Jennifer Meyer

In the upcoming horror film, the Euphoria star plays Cecilia, an American nun who enters a convent in the Italian countryside before discovering that her new home hides a dark secret.

The duo chatted it up