Michelle was inundated with compliments after she shared the photo.
Christine Lampard and Lizzie Cundy shared fire emojis in the comments.
While fan Marian_anewmum wrote: “Happy Birthday Michelle, you look beautiful enjoy it all.”
Drleahtotton penned: “Wow you look sensational!!”
“If you don’t mind me saying Michelle that’s a fabulous dress, have a wonderful birthday with your family and friends,” added Andrewwilliams30432.