Showbiz
Richard Young / Rex Features
The actress, who has regularly attended Moss' parties in the past, failed to attend the celebrations because she was partying with Kimberly Stewart at the Sundance Film Festival.
According to The Mirror, the supermodel wasn't happy with Frost's snub.
Celebrities that did attend Moss' party included Meg Matthews, Davinia Taylor, Topshop boss Philip Green and her boyfriend Jamie Hince.
The stars partied at the Suri Suite in the Dorchester before heading to the Punk nightclub in Soho.
A source commented: "Music included DJ sets from Wild Cat Will and Annie Nightingale. Guests drank passion fruit and Old Jamaica Light Ginger Beer cocktails."
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