The controversy over Georgia May Jagger's advertising campaign for Roberto Cavalli stepped up over the weekend (28-29Jun14) as protesters took to the streets of London and Chicago, Illinois.

Sufi Muslims have staged protests in both New York City and Los Angeles to oppose the use of the Just Cavalli brand's logo, which they claim is similar to a holy symbol.

The curved logo was most recently seen in high-profile advertising campaigns starring Sir Mick Jagger's model daughter, who is seen brandishing the symbol on her wrist and neck in several shots.

Protests spread to Jagger's native London on Saturday (28Jun14), when a large group waving placards gathered outside the city's famous Harrods department store, while demonstrators also took to the streets in Chicago, Illinois on Sunday (29Jun14) as part of the Take off the Just Cavalli logo campaign.

Bosses at the fashion house have denied the logo replicates the religious symbol.