The gorgeous model was snapped heading to a nail appointment in Hollywood on Thursday (17 July) sans fiancé David.
Perhaps he was negotiating a CBB appearance?!
According to the Daily Star, the hunk former Gladiator has been in talks about a possible stint in the famous compound – particularly as it might help him move out of Kelly's shadow.
A source said: "Both parties are very interested."
The insider even claims David and Kelly are willing to reschedule their planned September wedding to accommodate the Celebrity Big Brother filming schedule!
So far neither Kelly nor David have commented - which isn't that much of a surprise given the CBB lineup is always (officially!) kept completely hush hush until the night.
Kelly and David became engaged earlier this year after a whirlwind romance.
They've been splitting their time between the UK and the US, where Kelly has landed a role in upcoming American sitcom One Big Happy alongside 24 actress Elisha Cuthbert.
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Stars who got engaged in 2014 in pictures:
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