George Clooney Suits Up for 'Lost in Space' Party in London

George Clooney is all smiles as he arrives at Omega’s Lost in Space Anniversary Party on Wednesday night (April 26) at Tate Modern Gallery in London, England.

The 55-year-old actor and directed was joined on the red carpet by legendary astronaut Buzz Aldrin as they celebrated the 60th anniversary of the watch brand’s famous Speedmaster model – which has been worn by every piloted NASA mission since 1965.

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Other stars spotted arriving at the event included Liv Tyler, Gemma Arterton, Clemence Poesy, Ellie Goulding, Pixie Lott and fiance Oliver Cheshire, along with David Gandy.

10+ pictures inside of the stars arriving at the event…