Model Poppy joined a host of other stars for the good cause, looking casual in simple white T-shirt with her blonde hair cascading down, but what really caught our eye was her fabulous ring!
Poppy, big sister to model Cara Delevingne, got engaged to her fiancé Dave Cook in October.
Poppy and Dave have been together since 2007, and he popped the question by presenting her with a bespoke Anya Hindmarch jewellery box with the words 'Will you marry me?" written inside. OMG!
Lucky Poppy, 26, was joined by pal Daisy Lowe during the telethon, aimed at raising funds to help those affected by the devastating typhoon that ripped through parts of the Philippines earlier this month.
When Daisy quizzed Poppy about her big day, the model replied: "It's going to be in May."
We can't wait to see the pictures, Poppy is going to look ah-mazing!
Plus, we BET Cara's going to be a bridesmaid, which will make for one stunning wedding.
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