The reality star reckons the model and actress needs her 'head read' after accepting his proposal just days after claiming he was using her to get famous.
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And Alex Reid's ex wasn't impressed with the couple's engagement photo (below) either.
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Kelly and David announce their engagement officially on Instagram
"I hope the engagement balloon they were pictured with wasn't in place of an actual ring. Cringe!"
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A smiley Kelly shows off her ring as arrives at the gym in LA
Kelly Brook and David McIntosh in Miami
Kelly Brook and David McIntosh in Miami (01 of29)
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Kelly Brook and David McIntosh in Miami (02 of29)
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Kelly Brook and David McIntosh in Miami (03 of29)
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Kelly Brook and David McIntosh in Miami (04 of29)
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Kelly Brook and David McIntosh in Miami (05 of29)
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Kelly Brook and David McIntosh in Miami (06 of29)
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Kelly Brook and David McIntosh in Miami (07 of29)
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Kelly Brook and David McIntosh in Miami (08 of29)
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Kelly Brook and David McIntosh in Miami (09 of29)
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Kelly Brook and David McIntosh in Miami (10 of29)
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Kelly Brook and David McIntosh in Miami (11 of29)
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Kelly Brook and David McIntosh in Miami (12 of29)
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Kelly Brook and David McIntosh in Miami (13 of29)
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Kelly Brook and David McIntosh in Miami (14 of29)
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Kelly Brook and David McIntosh in Miami (15 of29)
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Kelly Brook and David McIntosh in Miami (16 of29)
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Kelly Brook and David McIntosh in Miami (17 of29)
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Kelly Brook and David McIntosh in Miami (18 of29)
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Kelly Brook and David McIntosh in Miami (19 of29)
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Kelly Brook and David McIntosh in Miami (20 of29)
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Kelly Brook and David McIntosh in Miami (21 of29)
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Kelly Brook and David McIntosh in Miami (22 of29)
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Kelly Brook and David McIntosh in Miami (23 of29)
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Kelly Brook and David McIntosh in Miami (24 of29)
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Kelly Brook and David McIntosh in Miami (25 of29)
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Kelly Brook and David McIntosh in Miami (26 of29)
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Kelly Brook and David McIntosh in Miami (27 of29)
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Kelly Brook and David McIntosh in Miami (28 of29)
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Kelly Brook and David McIntosh in Miami (29 of29)
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