The curvy star, 34, photographed herself in a variety of seductive outfits, including a red leather belted jacket and deep plunge lace body suit.
Kelly has clearly enjoyed spending the bank holiday with her fiancé David McIntosh, as she posted a picture of her and the 'love of my life' enjoying a steamy hot tub session over the weekend.
The loved-up model has also been sharing several throwback snaps with her followers, including pictures from her MTV presenting days in the 90's, as well as shots of her and her family.
Kelly and fitness model David confirmed their engagement in March, after a whirlwind 12 week romance - which included a brief split in February. Despite it's rocky beginnings, Kelly has declared David the 'love of her life' and frequently updates her fans with the couple's adventures.
Brook has been engaged once before to Titanic actor Billy Zane, but the couple called it off in 2008. Kelly has since had high profile relationships to Tom Evans and Danny Cipriani.