[12:31] Singer Rita Ora poses during a photocall as she arrives to attend the amfAR's Cinema Against AIDS 2015 event during the 68th Cannes Film Festival
Rita Ora arrives for amfAR's Cinema Against AIDS gala in southern France, May 21, 2015. Reuters/Regis Duvignau

Rita Ora and Michelle Rodriguez stood out in their striking red gowns at amfAR’s Cinema Against AIDS Gala, held during the 2015 Cannes Film Festival at Hotel du Cap-Eden-Roc in Cap d’Antibes, France on Thursday. The British singer wore a glamorous red strapless gown, while the “Fast and Furious” actress went super-feminine in a strapless princess-style gown for the charity bash, according to Mirror UK.

The British singer wore a sultry red strapless Marchesa Fall 2015 gown with asymmetric ruffled peplum and black sash. The gown is from the label’s Look 29, which was showcased at New York Fashion Week in February. The confection sat on her curves in cascading tiers and it spoke of Marchesa’s signature dramatic designs. The pop star accessorized with a pair of huge diamond earrings and rings.

Ora brought in old Hollywood style with her platinum blonde hair styled into soft waves. She teamed her look with her signature deep red lipstick. She completed her look in a pair of black strappy high heels with a diamante detail by Giuseppe Zanotti. The mules are the ultimate party shoes and feature a beautiful jeweled bracelet strap with clear and blue crystals. A black satin high heel added glamour to the footwear.

Rodriguez was dressed in a Romona Keveza fitted gown with sweetheart neckline. The ruched cocktail dress was paired with a Chopard necklace. The dark-haired actress turned heads in the full skirt ensemble and striking diamond necklace. Her hair was kept side-parted and pulled back into a French bun.

Rubbing shoulders on the red carpet were models from Lara Stone, Sienna Miller, Gigi Hadid and Karlie Kloss and actress Eva Longoria pulling out their best dresses. Brunette beauty Eva Longoria added some much-needed color in the low-cut mint ball gown. The actress showed off her cleavage in the plunging patterned dress. It featured a plunging scalloped lace neckline and princess-esque full skirt. It’s by Georges Hobeika, a Lebanese designer. From the designer’s Spring 2015 Couture collection, the confection in soft baby-blue hue, looked gorgeous against her the 40-year-old actress’s olive skintone.