The mother-of-three looked like she had been crying, and appeared disoriented as she posed for pictures at the Royal Opera House.
Twitter fans appeared to blame her make-up artist, with one user writing:
‘Dear Claudia Winkleman, sack the stylist and artist ASAP.’
The Strictly Come Dancing Result show co-host missed the BBC 1 talent show's red carpet extravaganza to attend the GQ Awards.
GQ MEN OF YEAR AWARDS 2013 FULL WINNERS LIST:
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Hugo Boss Most Stylish - Dan Stevens
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Comedians - Simon Pegg, Nick Frost and Edgar Wright
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Politician - Boris Johnson
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Oracle - Russell Brand
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Breakthrough Menswear Designer Brand - Jonathan Saunders
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Lifetime Achievement - Sir Bobby Charlton
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Radio Personality - Nick Grimshaw
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Entrepreneur - Evgeny Lebedev
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Chef - Jason Atherton
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Sportsman - Carl Froch
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Writer - Charles Moore
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Woman - Emma Watson
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Editor's Choice Award - Roger Daltrey (Dylan Jones)
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The Serpentine Gallery GQ Art Award - Tracey Emin
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Band - Arctic Monkeys
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Remy Martin Breakthrough - Eddie Redmayne
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TV Personality - Piers Morgan
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Performer - Pharrell Williams
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Inspiration - Lou Reed
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Icon - Noel Gallagher
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Designer - Tom Ford
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Genius - Sir Elton John
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Legend - Michael Douglas