The square re-opens just in time to host the premiere of Ridley Scott’s Prometheus on May 31.

London’s Leicester Square was officially re-launched last night in a ceremony attended by the city’s mayor Boris Johnson.

Calling it “an urban oasis,” Johnson said the square – whose renovation took 18 months (causing logistical problems for last year’s London Film Festival) and cost £15.3 million – will become a “beacon for world premieres and stars of the silver screen”.

The Square is back open to the public today and has a range of free activities running through til Sunday night including film screenings and Q&As.

Costumed characters from the upcoming movies Top Cat and Ice Age 4 will be appearing over the weekend.

On Sunday Film4’s FrightFest will be celebrating its 13th year in the city with ‘Lawn of the Dead’, encouraging members of the public to gather in the Square’s gardens dressed as zombies.

Leicester Square re-opens just in time to host the premiere of Ridley Scott’s hotly-anticipated Prometheus on May 31st. Stars of the film, including Michael Fassbender and Charlize Theron, will be in attendance.