Liberty Ross & Rosie Huntington-Whiteley: amfAR's Cannes Gala!

Liberty Ross dolls up while attending the amfAR’s Cinema Against AIDS during the 2013 Cannes Film Festival at Hotel du Cap-Eden-Roc on Thursday (May 23) in Cap d’Antibes, France.

The 34-year-old actress and model was joined by Rosie Huntington-Whiteley and Dita Von Teese at the event, which celebrated it’s 20th anniversary!

During the auction, Rosie was spotted rocking a different bright dress while standing beside Dita.

Earlier in the day, Rosie was spotted enjoying the beautiful view from her hotel balcony.

FYI: Dita is wearing a Ulyana Sergeenko dress, Giuseppe Zanotti shoes, Chopard jewels, and carrying a Swarovski clutch. Rosie is wearing a Dior dress. Liberty is wearing a Balmain top and skirt.

Also pictured: Dita donning a sheer dress while out and about on Tuesday (May 21) at the festival.

20+ pictures inside of Liberty Ross and Rosie Huntington-Whiteley attending the amfAR’s Cinema Against AIDS…