The former Pussycat Doll and Got To Dance judge showed off her diamond encrusted, purple gemstone engagement ring in a photo posted to Twitter last night (8 September).
Kimberley, 31, who has been dating Max since the pair met in 2011, made the news official when she tweeted: "I said yes!"
The couple's happy news soon led to a string of congratulatory messages from fans and showbiz friends.
JLS' JB Gill and his girlfriend Chloe Tangney said: "LOVE this!!!!!!"
Meanwhile, Kimberly's Pussycat Doll band mates also responded to the news. Ashley Roberts, said: "Yayyyy", while Jessica Sutta commented: "OMG!!!!! Kim!!!!!! congrats!!!! Love to you both!!"
Former Coronation Street actor Richard Fleeshman said: "He's only bloody done it @max_rogers."
Thanking friends for their tweets, Kimberly later added: "Thank you!!!! We are so happy!!!"
Check out more engaged stars below:
Copyright: Instagram Mark Wright