Yesterday, Kelly confirmed that David had proposed - and she'd said yes - by posting an Instagram picture of themselves with an engagement balloon on Twitter.
The model, who has been dating David for several months, told her fans: "Lovely Weekend in Wigan meeting my New extended Family ❤ Such happy times and excited to share my life with the most wonderful man I've ever met ❤"
Last night, Kelly was pictured arriving at New York's JFK Airport and was beaming from ear to ear as she walked through the terminal.
Despite the absence of a big sparkling diamond on her wedding finger, there was definitely a spring in her step. Come on Kelly, we want to see the bling!
Kelly and former Gladiator David met each other on New Year's Eve but were thought to have split in February.
However, engagement rumours began swirling on Saturday, with a source saying they were on track and that Kelly was left "dumbstruck" when David proposed.
No wonder she's looking so happy!
Celebrities who have got engaged in 2014:
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